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Finding the Fourth Proportional to 83,036.60, 124,554.90 and 49,794.20

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Solution

The fourth proportional to 83,036.60, 124,554.90 and 49,794.20 is: 74,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,036.60 : 124,554.90 = 49,794.20 : x
  2. Step 2: Convert to fraction form
    83,036.60/124,554.90 = 49,794.20/x
  3. Step 3: Cross multiply
    83,036.60x = 124,554.90 × 49,794.20
  4. Step 4: Simplify right side
    83,036.60x = 6,202,111,601.58
  5. Step 5: Solve for x
    x = 6,202,111,601.58/83,036.60
  6. Step 6: Final answer
    x = 74,691.30

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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.