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Finding the Fourth Proportional to 119,753.79, 179,630.68 and 67,167.38

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Solution

The fourth proportional to 119,753.79, 179,630.68 and 67,167.38 is: 100,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.79 : 179,630.68 = 67,167.38 : x
  2. Step 2: Convert to fraction form
    119,753.79/179,630.68 = 67,167.38/x
  3. Step 3: Cross multiply
    119,753.79x = 179,630.68 × 67,167.38
  4. Step 4: Simplify right side
    119,753.79x = 12,065,321,526.22
  5. Step 5: Solve for x
    x = 12,065,321,526.22/119,753.79
  6. Step 6: Final answer
    x = 100,751.06

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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.