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Finding the Fourth Proportional to 268,060, 402,057.60 and 88,136.32

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Solution

The fourth proportional to 268,060, 402,057.60 and 88,136.32 is: 132,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,060 : 402,057.60 = 88,136.32 : x
  2. Step 2: Convert to fraction form
    268,060/402,057.60 = 88,136.32/x
  3. Step 3: Cross multiply
    268,060x = 402,057.60 × 88,136.32
  4. Step 4: Simplify right side
    268,060x = 35,435,877,292.03
  5. Step 5: Solve for x
    x = 35,435,877,292.03/268,060
  6. Step 6: Final answer
    x = 132,193.83

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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.