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Finding the Fourth Proportional to 119,615.76, 179,451.84 and 67,061.52

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Solution

The fourth proportional to 119,615.76, 179,451.84 and 67,061.52 is: 100,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,615.76 : 179,451.84 = 67,061.52 : x
  2. Step 2: Convert to fraction form
    119,615.76/179,451.84 = 67,061.52/x
  3. Step 3: Cross multiply
    119,615.76x = 179,451.84 × 67,061.52
  4. Step 4: Simplify right side
    119,615.76x = 12,034,313,157.20
  5. Step 5: Solve for x
    x = 12,034,313,157.20/119,615.76
  6. Step 6: Final answer
    x = 100,608.09

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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.