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Finding the Fourth Proportional to 202,862.40, 304,264.80 and 62,635.20

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Solution

The fourth proportional to 202,862.40, 304,264.80 and 62,635.20 is: 93,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,862.40 : 304,264.80 = 62,635.20 : x
  2. Step 2: Convert to fraction form
    202,862.40/304,264.80 = 62,635.20/x
  3. Step 3: Cross multiply
    202,862.40x = 304,264.80 × 62,635.20
  4. Step 4: Simplify right side
    202,862.40x = 19,057,686,600.96
  5. Step 5: Solve for x
    x = 19,057,686,600.96/202,862.40
  6. Step 6: Final answer
    x = 93,943.91

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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.