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Finding the Fourth Proportional to 106,930.60, 160,655.10 and 95,525.80

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Solution

The fourth proportional to 106,930.60, 160,655.10 and 95,525.80 is: 143,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,930.60 : 160,655.10 = 95,525.80 : x
  2. Step 2: Convert to fraction form
    106,930.60/160,655.10 = 95,525.80/x
  3. Step 3: Cross multiply
    106,930.60x = 160,655.10 × 95,525.80
  4. Step 4: Simplify right side
    106,930.60x = 15,346,706,951.58
  5. Step 5: Solve for x
    x = 15,346,706,951.58/106,930.60
  6. Step 6: Final answer
    x = 143,520.25

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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.