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Finding the Fourth Proportional to 151,540.78, 227,311.14 and 40,732.78

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Solution

The fourth proportional to 151,540.78, 227,311.14 and 40,732.78 is: 61,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,540.78 : 227,311.14 = 40,732.78 : x
  2. Step 2: Convert to fraction form
    151,540.78/227,311.14 = 40,732.78/x
  3. Step 3: Cross multiply
    151,540.78x = 227,311.14 × 40,732.78
  4. Step 4: Simplify right side
    151,540.78x = 9,259,014,657.17
  5. Step 5: Solve for x
    x = 9,259,014,657.17/151,540.78
  6. Step 6: Final answer
    x = 61,099.16

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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.