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Finding the Fourth Proportional to 119,586.77, 179,380.37 and 112,279.46

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Solution

The fourth proportional to 119,586.77, 179,380.37 and 112,279.46 is: 168,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,586.77 : 179,380.37 = 112,279.46 : x
  2. Step 2: Convert to fraction form
    119,586.77/179,380.37 = 112,279.46/x
  3. Step 3: Cross multiply
    119,586.77x = 179,380.37 × 112,279.46
  4. Step 4: Simplify right side
    119,586.77x = 20,140,729,619.90
  5. Step 5: Solve for x
    x = 20,140,729,619.90/119,586.77
  6. Step 6: Final answer
    x = 168,419.39

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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.