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Finding the Fourth Proportional to 247,711.10, 371,566.65 and 60,722.60

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Solution

The fourth proportional to 247,711.10, 371,566.65 and 60,722.60 is: 91,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,711.10 : 371,566.65 = 60,722.60 : x
  2. Step 2: Convert to fraction form
    247,711.10/371,566.65 = 60,722.60/x
  3. Step 3: Cross multiply
    247,711.10x = 371,566.65 × 60,722.60
  4. Step 4: Simplify right side
    247,711.10x = 22,562,493,061.29
  5. Step 5: Solve for x
    x = 22,562,493,061.29/247,711.10
  6. Step 6: Final answer
    x = 91,083.90

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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.