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Finding the Fourth Proportional to 234,174.38, 323,160.71 and 133,572.38

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Solution

The fourth proportional to 234,174.38, 323,160.71 and 133,572.38 is: 184,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,174.38 : 323,160.71 = 133,572.38 : x
  2. Step 2: Convert to fraction form
    234,174.38/323,160.71 = 133,572.38/x
  3. Step 3: Cross multiply
    234,174.38x = 323,160.71 × 133,572.38
  4. Step 4: Simplify right side
    234,174.38x = 43,165,342,873.52
  5. Step 5: Solve for x
    x = 43,165,342,873.52/234,174.38
  6. Step 6: Final answer
    x = 184,329.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.