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Finding the Fourth Proportional to 165,080.60, 247,620.90 and 153,926.90

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Solution

The fourth proportional to 165,080.60, 247,620.90 and 153,926.90 is: 230,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,080.60 : 247,620.90 = 153,926.90 : x
  2. Step 2: Convert to fraction form
    165,080.60/247,620.90 = 153,926.90/x
  3. Step 3: Cross multiply
    165,080.60x = 247,620.90 × 153,926.90
  4. Step 4: Simplify right side
    165,080.60x = 38,115,517,512.21
  5. Step 5: Solve for x
    x = 38,115,517,512.21/165,080.60
  6. Step 6: Final answer
    x = 230,890.35

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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.