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Finding the Fourth Proportional to 99,046.73, 136,663.47 and 58,773.60

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Solution

The fourth proportional to 99,046.73, 136,663.47 and 58,773.60 is: 81,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,046.73 : 136,663.47 = 58,773.60 : x
  2. Step 2: Convert to fraction form
    99,046.73/136,663.47 = 58,773.60/x
  3. Step 3: Cross multiply
    99,046.73x = 136,663.47 × 58,773.60
  4. Step 4: Simplify right side
    99,046.73x = 8,032,204,120.39
  5. Step 5: Solve for x
    x = 8,032,204,120.39/99,046.73
  6. Step 6: Final answer
    x = 81,095.09

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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.