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Finding the Fourth Proportional to 178,432.32, 267,123.06 and 119,120.88

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Solution

The fourth proportional to 178,432.32, 267,123.06 and 119,120.88 is: 178,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,432.32 : 267,123.06 = 119,120.88 : x
  2. Step 2: Convert to fraction form
    178,432.32/267,123.06 = 119,120.88/x
  3. Step 3: Cross multiply
    178,432.32x = 267,123.06 × 119,120.88
  4. Step 4: Simplify right side
    178,432.32x = 31,819,933,975.49
  5. Step 5: Solve for x
    x = 31,819,933,975.49/178,432.32
  6. Step 6: Final answer
    x = 178,330.55

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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.