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Finding the Fourth Proportional to 119,645.76, 179,436.24 and 60,515.76

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Solution

The fourth proportional to 119,645.76, 179,436.24 and 60,515.76 is: 90,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,645.76 : 179,436.24 = 60,515.76 : x
  2. Step 2: Convert to fraction form
    119,645.76/179,436.24 = 60,515.76/x
  3. Step 3: Cross multiply
    119,645.76x = 179,436.24 × 60,515.76
  4. Step 4: Simplify right side
    119,645.76x = 10,858,720,435.14
  5. Step 5: Solve for x
    x = 10,858,720,435.14/119,645.76
  6. Step 6: Final answer
    x = 90,757.25

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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.