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Finding the Fourth Proportional to 259,866.75, 389,800.14 and 62,874.75

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Solution

The fourth proportional to 259,866.75, 389,800.14 and 62,874.75 is: 94,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,866.75 : 389,800.14 = 62,874.75 : x
  2. Step 2: Convert to fraction form
    259,866.75/389,800.14 = 62,874.75/x
  3. Step 3: Cross multiply
    259,866.75x = 389,800.14 × 62,874.75
  4. Step 4: Simplify right side
    259,866.75x = 24,508,586,352.47
  5. Step 5: Solve for x
    x = 24,508,586,352.47/259,866.75
  6. Step 6: Final answer
    x = 94,312.13

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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.