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Finding the Fourth Proportional to 177,691.73, 266,459.83 and 53,007.89

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Solution

The fourth proportional to 177,691.73, 266,459.83 and 53,007.89 is: 79,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,691.73 : 266,459.83 = 53,007.89 : x
  2. Step 2: Convert to fraction form
    177,691.73/266,459.83 = 53,007.89/x
  3. Step 3: Cross multiply
    177,691.73x = 266,459.83 × 53,007.89
  4. Step 4: Simplify right side
    177,691.73x = 14,124,471,893.24
  5. Step 5: Solve for x
    x = 14,124,471,893.24/177,691.73
  6. Step 6: Final answer
    x = 79,488.63

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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.