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Finding the Fourth Proportional to 162,080.87, 223,403.87 and 108,346.28

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Solution

The fourth proportional to 162,080.87, 223,403.87 and 108,346.28 is: 149,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,080.87 : 223,403.87 = 108,346.28 : x
  2. Step 2: Convert to fraction form
    162,080.87/223,403.87 = 108,346.28/x
  3. Step 3: Cross multiply
    162,080.87x = 223,403.87 × 108,346.28
  4. Step 4: Simplify right side
    162,080.87x = 24,204,977,405.95
  5. Step 5: Solve for x
    x = 24,204,977,405.95/162,080.87
  6. Step 6: Final answer
    x = 149,338.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.