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Finding the Fourth Proportional to 110,565.70, 165,847.02 and 66,204.70

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Solution

The fourth proportional to 110,565.70, 165,847.02 and 66,204.70 is: 99,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,565.70 : 165,847.02 = 66,204.70 : x
  2. Step 2: Convert to fraction form
    110,565.70/165,847.02 = 66,204.70/x
  3. Step 3: Cross multiply
    110,565.70x = 165,847.02 × 66,204.70
  4. Step 4: Simplify right side
    110,565.70x = 10,979,852,204.99
  5. Step 5: Solve for x
    x = 10,979,852,204.99/110,565.70
  6. Step 6: Final answer
    x = 99,306.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.