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Finding the Fourth Proportional to 206,948.16, 310,162.68 and 88,480.44

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Solution

The fourth proportional to 206,948.16, 310,162.68 and 88,480.44 is: 132,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,948.16 : 310,162.68 = 88,480.44 : x
  2. Step 2: Convert to fraction form
    206,948.16/310,162.68 = 88,480.44/x
  3. Step 3: Cross multiply
    206,948.16x = 310,162.68 × 88,480.44
  4. Step 4: Simplify right side
    206,948.16x = 27,443,330,397.98
  5. Step 5: Solve for x
    x = 27,443,330,397.98/206,948.16
  6. Step 6: Final answer
    x = 132,609.69

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1.5x scale

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.