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Finding the Fourth Proportional to 488,127.62, 732,170.01 and 133,140.46

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Solution

The fourth proportional to 488,127.62, 732,170.01 and 133,140.46 is: 199,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,127.62 : 732,170.01 = 133,140.46 : x
  2. Step 2: Convert to fraction form
    488,127.62/732,170.01 = 133,140.46/x
  3. Step 3: Cross multiply
    488,127.62x = 732,170.01 × 133,140.46
  4. Step 4: Simplify right side
    488,127.62x = 97,481,451,596.82
  5. Step 5: Solve for x
    x = 97,481,451,596.82/488,127.62
  6. Step 6: Final answer
    x = 199,704.85

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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.