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Finding the Fourth Proportional to 247,690.64, 371,535.88 and 60,700.56

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Solution

The fourth proportional to 247,690.64, 371,535.88 and 60,700.56 is: 91,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,690.64 : 371,535.88 = 60,700.56 : x
  2. Step 2: Convert to fraction form
    247,690.64/371,535.88 = 60,700.56/x
  3. Step 3: Cross multiply
    247,690.64x = 371,535.88 × 60,700.56
  4. Step 4: Simplify right side
    247,690.64x = 22,552,435,976.09
  5. Step 5: Solve for x
    x = 22,552,435,976.09/247,690.64
  6. Step 6: Final answer
    x = 91,050.82

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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.