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Finding the Fourth Proportional to 247,649.76, 371,475.12 and 60,661.92

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Solution

The fourth proportional to 247,649.76, 371,475.12 and 60,661.92 is: 90,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,649.76 : 371,475.12 = 60,661.92 : x
  2. Step 2: Convert to fraction form
    247,649.76/371,475.12 = 60,661.92/x
  3. Step 3: Cross multiply
    247,649.76x = 371,475.12 × 60,661.92
  4. Step 4: Simplify right side
    247,649.76x = 22,534,394,011.43
  5. Step 5: Solve for x
    x = 22,534,394,011.43/247,649.76
  6. Step 6: Final answer
    x = 90,993.00

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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.