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Finding the Fourth Proportional to 217,300.28, 325,761.96 and 84,088.85

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Solution

The fourth proportional to 217,300.28, 325,761.96 and 84,088.85 is: 126,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,300.28 : 325,761.96 = 84,088.85 : x
  2. Step 2: Convert to fraction form
    217,300.28/325,761.96 = 84,088.85/x
  3. Step 3: Cross multiply
    217,300.28x = 325,761.96 × 84,088.85
  4. Step 4: Simplify right side
    217,300.28x = 27,392,948,590.15
  5. Step 5: Solve for x
    x = 27,392,948,590.15/217,300.28
  6. Step 6: Final answer
    x = 126,060.35

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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.