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Finding the Fourth Proportional to 178,672.68, 267,979.86 and 60,341.40

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Solution

The fourth proportional to 178,672.68, 267,979.86 and 60,341.40 is: 90,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,672.68 : 267,979.86 = 60,341.40 : x
  2. Step 2: Convert to fraction form
    178,672.68/267,979.86 = 60,341.40/x
  3. Step 3: Cross multiply
    178,672.68x = 267,979.86 × 60,341.40
  4. Step 4: Simplify right side
    178,672.68x = 16,170,279,924.20
  5. Step 5: Solve for x
    x = 16,170,279,924.20/178,672.68
  6. Step 6: Final answer
    x = 90,502.25

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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.