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Finding the Fourth Proportional to 488,110.46, 732,161.43 and 133,123.91

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Solution

The fourth proportional to 488,110.46, 732,161.43 and 133,123.91 is: 199,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,110.46 : 732,161.43 = 133,123.91 : x
  2. Step 2: Convert to fraction form
    488,110.46/732,161.43 = 133,123.91/x
  3. Step 3: Cross multiply
    488,110.46x = 732,161.43 × 133,123.91
  4. Step 4: Simplify right side
    488,110.46x = 97,468,188,651.98
  5. Step 5: Solve for x
    x = 97,468,188,651.98/488,110.46
  6. Step 6: Final answer
    x = 199,684.70

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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.