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Finding the Fourth Proportional to 110,575.80, 165,620.58 and 91,382.91

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Solution

The fourth proportional to 110,575.80, 165,620.58 and 91,382.91 is: 136,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,575.80 : 165,620.58 = 91,382.91 : x
  2. Step 2: Convert to fraction form
    110,575.80/165,620.58 = 91,382.91/x
  3. Step 3: Cross multiply
    110,575.80x = 165,620.58 × 91,382.91
  4. Step 4: Simplify right side
    110,575.80x = 15,134,890,556.29
  5. Step 5: Solve for x
    x = 15,134,890,556.29/110,575.80
  6. Step 6: Final answer
    x = 136,873.44

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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.