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Finding the Fourth Proportional to 178,612.58, 267,731.79 and 60,243.14

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Solution

The fourth proportional to 178,612.58, 267,731.79 and 60,243.14 is: 90,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,612.58 : 267,731.79 = 60,243.14 : x
  2. Step 2: Convert to fraction form
    178,612.58/267,731.79 = 60,243.14/x
  3. Step 3: Cross multiply
    178,612.58x = 267,731.79 × 60,243.14
  4. Step 4: Simplify right side
    178,612.58x = 16,129,003,707.42
  5. Step 5: Solve for x
    x = 16,129,003,707.42/178,612.58
  6. Step 6: Final answer
    x = 90,301.61

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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.