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Finding the Fourth Proportional to 247,712.60, 371,568.90 and 60,724.10

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Solution

The fourth proportional to 247,712.60, 371,568.90 and 60,724.10 is: 91,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,712.60 : 371,568.90 = 60,724.10 : x
  2. Step 2: Convert to fraction form
    247,712.60/371,568.90 = 60,724.10/x
  3. Step 3: Cross multiply
    247,712.60x = 371,568.90 × 60,724.10
  4. Step 4: Simplify right side
    247,712.60x = 22,563,187,040.49
  5. Step 5: Solve for x
    x = 22,563,187,040.49/247,712.60
  6. Step 6: Final answer
    x = 91,086.15

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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.