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Finding the Fourth Proportional to 152,454.97, 228,641.14 and 63,689.90

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Solution

The fourth proportional to 152,454.97, 228,641.14 and 63,689.90 is: 95,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,454.97 : 228,641.14 = 63,689.90 : x
  2. Step 2: Convert to fraction form
    152,454.97/228,641.14 = 63,689.90/x
  3. Step 3: Cross multiply
    152,454.97x = 228,641.14 × 63,689.90
  4. Step 4: Simplify right side
    152,454.97x = 14,562,131,024.04
  5. Step 5: Solve for x
    x = 14,562,131,024.04/152,454.97
  6. Step 6: Final answer
    x = 95,517.59

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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.