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Finding the Fourth Proportional to 178,092.76, 267,269.82 and 143,450.68

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Solution

The fourth proportional to 178,092.76, 267,269.82 and 143,450.68 is: 215,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,092.76 : 267,269.82 = 143,450.68 : x
  2. Step 2: Convert to fraction form
    178,092.76/267,269.82 = 143,450.68/x
  3. Step 3: Cross multiply
    178,092.76x = 267,269.82 × 143,450.68
  4. Step 4: Simplify right side
    178,092.76x = 38,340,037,422.48
  5. Step 5: Solve for x
    x = 38,340,037,422.48/178,092.76
  6. Step 6: Final answer
    x = 215,281.28

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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.