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Finding the Fourth Proportional to 266,104.16, 399,220.04 and 88,612.68

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Solution

The fourth proportional to 266,104.16, 399,220.04 and 88,612.68 is: 132,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,104.16 : 399,220.04 = 88,612.68 : x
  2. Step 2: Convert to fraction form
    266,104.16/399,220.04 = 88,612.68/x
  3. Step 3: Cross multiply
    266,104.16x = 399,220.04 × 88,612.68
  4. Step 4: Simplify right side
    266,104.16x = 35,375,957,654.11
  5. Step 5: Solve for x
    x = 35,375,957,654.11/266,104.16
  6. Step 6: Final answer
    x = 132,940.27

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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.