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Finding the Fourth Proportional to 67,141.50, 100,621.52 and 25,565.82

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Solution

The fourth proportional to 67,141.50, 100,621.52 and 25,565.82 is: 38,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,141.50 : 100,621.52 = 25,565.82 : x
  2. Step 2: Convert to fraction form
    67,141.50/100,621.52 = 25,565.82/x
  3. Step 3: Cross multiply
    67,141.50x = 100,621.52 × 25,565.82
  4. Step 4: Simplify right side
    67,141.50x = 2,572,471,165.34
  5. Step 5: Solve for x
    x = 2,572,471,165.34/67,141.50
  6. Step 6: Final answer
    x = 38,314.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.