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Finding the Fourth Proportional to 171,624.96, 257,427.18 and 101,947.68

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Solution

The fourth proportional to 171,624.96, 257,427.18 and 101,947.68 is: 152,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,624.96 : 257,427.18 = 101,947.68 : x
  2. Step 2: Convert to fraction form
    171,624.96/257,427.18 = 101,947.68/x
  3. Step 3: Cross multiply
    171,624.96x = 257,427.18 × 101,947.68
  4. Step 4: Simplify right side
    171,624.96x = 26,244,103,769.94
  5. Step 5: Solve for x
    x = 26,244,103,769.94/171,624.96
  6. Step 6: Final answer
    x = 152,915.43

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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.