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Finding the Fourth Proportional to 124,057.80, 186,086.70 and 110,279.70

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Solution

The fourth proportional to 124,057.80, 186,086.70 and 110,279.70 is: 165,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,057.80 : 186,086.70 = 110,279.70 : x
  2. Step 2: Convert to fraction form
    124,057.80/186,086.70 = 110,279.70/x
  3. Step 3: Cross multiply
    124,057.80x = 186,086.70 × 110,279.70
  4. Step 4: Simplify right side
    124,057.80x = 20,521,585,449.99
  5. Step 5: Solve for x
    x = 20,521,585,449.99/124,057.80
  6. Step 6: Final answer
    x = 165,419.55

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1.5x scale

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.