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Finding the Fourth Proportional to 97,046.62, 133,930.44 and 58,809.52

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Solution

The fourth proportional to 97,046.62, 133,930.44 and 58,809.52 is: 81,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,046.62 : 133,930.44 = 58,809.52 : x
  2. Step 2: Convert to fraction form
    97,046.62/133,930.44 = 58,809.52/x
  3. Step 3: Cross multiply
    97,046.62x = 133,930.44 × 58,809.52
  4. Step 4: Simplify right side
    97,046.62x = 7,876,384,889.79
  5. Step 5: Solve for x
    x = 7,876,384,889.79/97,046.62
  6. Step 6: Final answer
    x = 81,160.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.