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Finding the Fourth Proportional to 99,164.54, 136,833.30 and 58,330.52

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Solution

The fourth proportional to 99,164.54, 136,833.30 and 58,330.52 is: 80,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164.54 : 136,833.30 = 58,330.52 : x
  2. Step 2: Convert to fraction form
    99,164.54/136,833.30 = 58,330.52/x
  3. Step 3: Cross multiply
    99,164.54x = 136,833.30 × 58,330.52
  4. Step 4: Simplify right side
    99,164.54x = 7,981,557,542.32
  5. Step 5: Solve for x
    x = 7,981,557,542.32/99,164.54
  6. Step 6: Final answer
    x = 80,488.02

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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.