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Finding the Fourth Proportional to 234,720.72, 351,195.35 and 134,927.91

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Solution

The fourth proportional to 234,720.72, 351,195.35 and 134,927.91 is: 201,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,720.72 : 351,195.35 = 134,927.91 : x
  2. Step 2: Convert to fraction form
    234,720.72/351,195.35 = 134,927.91/x
  3. Step 3: Cross multiply
    234,720.72x = 351,195.35 × 134,927.91
  4. Step 4: Simplify right side
    234,720.72x = 47,386,053,902.58
  5. Step 5: Solve for x
    x = 47,386,053,902.58/234,720.72
  6. Step 6: Final answer
    x = 201,882.71

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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.