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Finding the Fourth Proportional to 171,232.50, 256,965.42 and 60,424.50

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Solution

The fourth proportional to 171,232.50, 256,965.42 and 60,424.50 is: 90,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,232.50 : 256,965.42 = 60,424.50 : x
  2. Step 2: Convert to fraction form
    171,232.50/256,965.42 = 60,424.50/x
  3. Step 3: Cross multiply
    171,232.50x = 256,965.42 × 60,424.50
  4. Step 4: Simplify right side
    171,232.50x = 15,527,007,020.79
  5. Step 5: Solve for x
    x = 15,527,007,020.79/171,232.50
  6. Step 6: Final answer
    x = 90,677.92

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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.