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Finding the Fourth Proportional to 99,164.67, 136,833.47 and 58,330.64

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Solution

The fourth proportional to 99,164.67, 136,833.47 and 58,330.64 is: 80,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164.67 : 136,833.47 = 58,330.64 : x
  2. Step 2: Convert to fraction form
    99,164.67/136,833.47 = 58,330.64/x
  3. Step 3: Cross multiply
    99,164.67x = 136,833.47 × 58,330.64
  4. Step 4: Simplify right side
    99,164.67x = 7,981,584,147.69
  5. Step 5: Solve for x
    x = 7,981,584,147.69/99,164.67
  6. Step 6: Final answer
    x = 80,488.19

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1.5x scale

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.