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Finding the Fourth Proportional to 178,195.32, 267,292.98 and 71,627.76

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Solution

The fourth proportional to 178,195.32, 267,292.98 and 71,627.76 is: 107,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,195.32 : 267,292.98 = 71,627.76 : x
  2. Step 2: Convert to fraction form
    178,195.32/267,292.98 = 71,627.76/x
  3. Step 3: Cross multiply
    178,195.32x = 267,292.98 × 71,627.76
  4. Step 4: Simplify right side
    178,195.32x = 19,145,597,421.12
  5. Step 5: Solve for x
    x = 19,145,597,421.12/178,195.32
  6. Step 6: Final answer
    x = 107,441.64

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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.