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Finding the Fourth Proportional to 247,615.73, 371,476.88 and 76,834.04

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Solution

The fourth proportional to 247,615.73, 371,476.88 and 76,834.04 is: 115,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,615.73 : 371,476.88 = 76,834.04 : x
  2. Step 2: Convert to fraction form
    247,615.73/371,476.88 = 76,834.04/x
  3. Step 3: Cross multiply
    247,615.73x = 371,476.88 × 76,834.04
  4. Step 4: Simplify right side
    247,615.73x = 28,542,071,070.10
  5. Step 5: Solve for x
    x = 28,542,071,070.10/247,615.73
  6. Step 6: Final answer
    x = 115,267.60

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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.