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Finding the Fourth Proportional to 110,507.79, 165,760.46 and 66,146.92

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Solution

The fourth proportional to 110,507.79, 165,760.46 and 66,146.92 is: 99,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,507.79 : 165,760.46 = 66,146.92 : x
  2. Step 2: Convert to fraction form
    110,507.79/165,760.46 = 66,146.92/x
  3. Step 3: Cross multiply
    110,507.79x = 165,760.46 × 66,146.92
  4. Step 4: Simplify right side
    110,507.79x = 10,964,544,052.15
  5. Step 5: Solve for x
    x = 10,964,544,052.15/110,507.79
  6. Step 6: Final answer
    x = 99,219.65

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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.