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Finding the Fourth Proportional to 225,294.92, 310,885.92 and 134,632.88

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Solution

The fourth proportional to 225,294.92, 310,885.92 and 134,632.88 is: 185,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,294.92 : 310,885.92 = 134,632.88 : x
  2. Step 2: Convert to fraction form
    225,294.92/310,885.92 = 134,632.88/x
  3. Step 3: Cross multiply
    225,294.92x = 310,885.92 × 134,632.88
  4. Step 4: Simplify right side
    225,294.92x = 41,855,466,761.05
  5. Step 5: Solve for x
    x = 41,855,466,761.05/225,294.92
  6. Step 6: Final answer
    x = 185,780.78

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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.