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Finding the Fourth Proportional to 83,038,400.90, 124,557,601.35 and 83,038,400.90

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Solution

The fourth proportional to 83,038,400.90, 124,557,601.35 and 83,038,400.90 is: 124,557,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,038,400.90 : 124,557,601.35 = 83,038,400.90 : x
  2. Step 2: Convert to fraction form
    83,038,400.90/124,557,601.35 = 83,038,400.90/x
  3. Step 3: Cross multiply
    83,038,400.90x = 124,557,601.35 × 83,038,400.90
  4. Step 4: Simplify right side
    83,038,400.90x = 10,343,064,036,043,682
  5. Step 5: Solve for x
    x = 10,343,064,036,043,682/83,038,400.90
  6. Step 6: Final answer
    x = 124,557,601.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.