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Finding the Fourth Proportional to 166,565.59, 229,860.49 and 91,113.91

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Solution

The fourth proportional to 166,565.59, 229,860.49 and 91,113.91 is: 125,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,565.59 : 229,860.49 = 91,113.91 : x
  2. Step 2: Convert to fraction form
    166,565.59/229,860.49 = 91,113.91/x
  3. Step 3: Cross multiply
    166,565.59x = 229,860.49 × 91,113.91
  4. Step 4: Simplify right side
    166,565.59x = 20,943,487,998.42
  5. Step 5: Solve for x
    x = 20,943,487,998.42/166,565.59
  6. Step 6: Final answer
    x = 125,737.18

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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.