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Finding the Fourth Proportional to 178,399.92, 267,649.08 and 145,037.04

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Solution

The fourth proportional to 178,399.92, 267,649.08 and 145,037.04 is: 217,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,399.92 : 267,649.08 = 145,037.04 : x
  2. Step 2: Convert to fraction form
    178,399.92/267,649.08 = 145,037.04/x
  3. Step 3: Cross multiply
    178,399.92x = 267,649.08 × 145,037.04
  4. Step 4: Simplify right side
    178,399.92x = 38,819,030,321.92
  5. Step 5: Solve for x
    x = 38,819,030,321.92/178,399.92
  6. Step 6: Final answer
    x = 217,595.56

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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.