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Finding the Fourth Proportional to 231,067.50, 346,601.25 and 83,323.50

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Solution

The fourth proportional to 231,067.50, 346,601.25 and 83,323.50 is: 124,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,067.50 : 346,601.25 = 83,323.50 : x
  2. Step 2: Convert to fraction form
    231,067.50/346,601.25 = 83,323.50/x
  3. Step 3: Cross multiply
    231,067.50x = 346,601.25 × 83,323.50
  4. Step 4: Simplify right side
    231,067.50x = 28,880,029,254.38
  5. Step 5: Solve for x
    x = 28,880,029,254.38/231,067.50
  6. Step 6: Final answer
    x = 124,985.25

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Double scale
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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.