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Finding the Fourth Proportional to 229,883.92, 317,234.82 and 133,091.86

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Solution

The fourth proportional to 229,883.92, 317,234.82 and 133,091.86 is: 183,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,883.92 : 317,234.82 = 133,091.86 : x
  2. Step 2: Convert to fraction form
    229,883.92/317,234.82 = 133,091.86/x
  3. Step 3: Cross multiply
    229,883.92x = 317,234.82 × 133,091.86
  4. Step 4: Simplify right side
    229,883.92x = 42,221,372,250.57
  5. Step 5: Solve for x
    x = 42,221,372,250.57/229,883.92
  6. Step 6: Final answer
    x = 183,663.88

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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.