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Finding the Fourth Proportional to 165,064.60, 247,596.90 and 164,080.45

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Solution

The fourth proportional to 165,064.60, 247,596.90 and 164,080.45 is: 246,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,064.60 : 247,596.90 = 164,080.45 : x
  2. Step 2: Convert to fraction form
    165,064.60/247,596.90 = 164,080.45/x
  3. Step 3: Cross multiply
    165,064.60x = 247,596.90 × 164,080.45
  4. Step 4: Simplify right side
    165,064.60x = 40,625,810,770.61
  5. Step 5: Solve for x
    x = 40,625,810,770.61/165,064.60
  6. Step 6: Final answer
    x = 246,120.68

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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.