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Finding the Fourth Proportional to 268,659.48, 402,902.16 and 88,704.48

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Solution

The fourth proportional to 268,659.48, 402,902.16 and 88,704.48 is: 133,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,659.48 : 402,902.16 = 88,704.48 : x
  2. Step 2: Convert to fraction form
    268,659.48/402,902.16 = 88,704.48/x
  3. Step 3: Cross multiply
    268,659.48x = 402,902.16 × 88,704.48
  4. Step 4: Simplify right side
    268,659.48x = 35,739,226,593.68
  5. Step 5: Solve for x
    x = 35,739,226,593.68/268,659.48
  6. Step 6: Final answer
    x = 133,027.98

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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.