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Finding the Fourth Proportional to 121,064.76, 167,066.87 and 67,348.62

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Solution

The fourth proportional to 121,064.76, 167,066.87 and 67,348.62 is: 92,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,064.76 : 167,066.87 = 67,348.62 : x
  2. Step 2: Convert to fraction form
    121,064.76/167,066.87 = 67,348.62/x
  3. Step 3: Cross multiply
    121,064.76x = 167,066.87 × 67,348.62
  4. Step 4: Simplify right side
    121,064.76x = 11,251,722,805.48
  5. Step 5: Solve for x
    x = 11,251,722,805.48/121,064.76
  6. Step 6: Final answer
    x = 92,939.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.