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Finding the Fourth Proportional to 165,765.60, 248,650.14 and 132,695.88

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Solution

The fourth proportional to 165,765.60, 248,650.14 and 132,695.88 is: 199,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,765.60 : 248,650.14 = 132,695.88 : x
  2. Step 2: Convert to fraction form
    165,765.60/248,650.14 = 132,695.88/x
  3. Step 3: Cross multiply
    165,765.60x = 248,650.14 × 132,695.88
  4. Step 4: Simplify right side
    165,765.60x = 32,994,849,761.05
  5. Step 5: Solve for x
    x = 32,994,849,761.05/165,765.60
  6. Step 6: Final answer
    x = 199,045.21

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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.