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Finding the Fourth Proportional to 171,242.50, 256,864.56 and 60,434.50

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Solution

The fourth proportional to 171,242.50, 256,864.56 and 60,434.50 is: 90,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,242.50 : 256,864.56 = 60,434.50 : x
  2. Step 2: Convert to fraction form
    171,242.50/256,864.56 = 60,434.50/x
  3. Step 3: Cross multiply
    171,242.50x = 256,864.56 × 60,434.50
  4. Step 4: Simplify right side
    171,242.50x = 15,523,481,251.32
  5. Step 5: Solve for x
    x = 15,523,481,251.32/171,242.50
  6. Step 6: Final answer
    x = 90,652.04

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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.