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Finding the Fourth Proportional to 266,793.36, 400,211.10 and 89,301.02

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Solution

The fourth proportional to 266,793.36, 400,211.10 and 89,301.02 is: 133,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,793.36 : 400,211.10 = 89,301.02 : x
  2. Step 2: Convert to fraction form
    266,793.36/400,211.10 = 89,301.02/x
  3. Step 3: Cross multiply
    266,793.36x = 400,211.10 × 89,301.02
  4. Step 4: Simplify right side
    266,793.36x = 35,739,259,445.32
  5. Step 5: Solve for x
    x = 35,739,259,445.32/266,793.36
  6. Step 6: Final answer
    x = 133,958.58

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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.