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Finding the Fourth Proportional to 202,938.60, 304,451.10 and 62,711.40

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Solution

The fourth proportional to 202,938.60, 304,451.10 and 62,711.40 is: 94,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,938.60 : 304,451.10 = 62,711.40 : x
  2. Step 2: Convert to fraction form
    202,938.60/304,451.10 = 62,711.40/x
  3. Step 3: Cross multiply
    202,938.60x = 304,451.10 × 62,711.40
  4. Step 4: Simplify right side
    202,938.60x = 19,092,554,712.54
  5. Step 5: Solve for x
    x = 19,092,554,712.54/202,938.60
  6. Step 6: Final answer
    x = 94,080.45

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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.