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Finding the Fourth Proportional to 266,113.53, 399,234.08 and 88,622.08

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Solution

The fourth proportional to 266,113.53, 399,234.08 and 88,622.08 is: 132,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,113.53 : 399,234.08 = 88,622.08 : x
  2. Step 2: Convert to fraction form
    266,113.53/399,234.08 = 88,622.08/x
  3. Step 3: Cross multiply
    266,113.53x = 399,234.08 × 88,622.08
  4. Step 4: Simplify right side
    266,113.53x = 35,380,954,576.49
  5. Step 5: Solve for x
    x = 35,380,954,576.49/266,113.53
  6. Step 6: Final answer
    x = 132,954.36

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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.