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Finding the Fourth Proportional to 247,474.56, 371,208.60 and 60,487.68

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Solution

The fourth proportional to 247,474.56, 371,208.60 and 60,487.68 is: 90,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,474.56 : 371,208.60 = 60,487.68 : x
  2. Step 2: Convert to fraction form
    247,474.56/371,208.60 = 60,487.68/x
  3. Step 3: Cross multiply
    247,474.56x = 371,208.60 × 60,487.68
  4. Step 4: Simplify right side
    247,474.56x = 22,453,547,010.05
  5. Step 5: Solve for x
    x = 22,453,547,010.05/247,474.56
  6. Step 6: Final answer
    x = 90,730.73

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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.