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Finding the Fourth Proportional to 121,046.60, 167,049.06 and 73,272.92

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Solution

The fourth proportional to 121,046.60, 167,049.06 and 73,272.92 is: 101,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,046.60 : 167,049.06 = 73,272.92 : x
  2. Step 2: Convert to fraction form
    121,046.60/167,049.06 = 73,272.92/x
  3. Step 3: Cross multiply
    121,046.60x = 167,049.06 × 73,272.92
  4. Step 4: Simplify right side
    121,046.60x = 12,240,172,409.46
  5. Step 5: Solve for x
    x = 12,240,172,409.46/121,046.60
  6. Step 6: Final answer
    x = 101,119.51

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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.