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Finding the Fourth Proportional to 110,507.73, 165,760.36 and 66,146.86

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Solution

The fourth proportional to 110,507.73, 165,760.36 and 66,146.86 is: 99,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,507.73 : 165,760.36 = 66,146.86 : x
  2. Step 2: Convert to fraction form
    110,507.73/165,760.36 = 66,146.86/x
  3. Step 3: Cross multiply
    110,507.73x = 165,760.36 × 66,146.86
  4. Step 4: Simplify right side
    110,507.73x = 10,964,527,326.47
  5. Step 5: Solve for x
    x = 10,964,527,326.47/110,507.73
  6. Step 6: Final answer
    x = 99,219.55

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1.5x scale

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.