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Finding the Fourth Proportional to 121,046.58, 167,046.12 and 73,304.46

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Solution

The fourth proportional to 121,046.58, 167,046.12 and 73,304.46 is: 101,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,046.58 : 167,046.12 = 73,304.46 : x
  2. Step 2: Convert to fraction form
    121,046.58/167,046.12 = 73,304.46/x
  3. Step 3: Cross multiply
    121,046.58x = 167,046.12 × 73,304.46
  4. Step 4: Simplify right side
    121,046.58x = 12,245,225,621.70
  5. Step 5: Solve for x
    x = 12,245,225,621.70/121,046.58
  6. Step 6: Final answer
    x = 101,161.27

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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.