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Finding the Fourth Proportional to 178,073.70, 267,160.61 and 71,532.46

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Solution

The fourth proportional to 178,073.70, 267,160.61 and 71,532.46 is: 107,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,073.70 : 267,160.61 = 71,532.46 : x
  2. Step 2: Convert to fraction form
    178,073.70/267,160.61 = 71,532.46/x
  3. Step 3: Cross multiply
    178,073.70x = 267,160.61 × 71,532.46
  4. Step 4: Simplify right side
    178,073.70x = 19,110,655,648.40
  5. Step 5: Solve for x
    x = 19,110,655,648.40/178,073.70
  6. Step 6: Final answer
    x = 107,318.80

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1.5x scale

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.