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Finding the Fourth Proportional to 227,691.76, 341,464.72 and 107,732.40

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Solution

The fourth proportional to 227,691.76, 341,464.72 and 107,732.40 is: 161,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,691.76 : 341,464.72 = 107,732.40 : x
  2. Step 2: Convert to fraction form
    227,691.76/341,464.72 = 107,732.40/x
  3. Step 3: Cross multiply
    227,691.76x = 341,464.72 × 107,732.40
  4. Step 4: Simplify right side
    227,691.76x = 36,786,813,800.93
  5. Step 5: Solve for x
    x = 36,786,813,800.93/227,691.76
  6. Step 6: Final answer
    x = 161,564.10

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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.