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Finding the Fourth Proportional to 121,464.33, 167,550.61 and 73,032.62

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Solution

The fourth proportional to 121,464.33, 167,550.61 and 73,032.62 is: 100,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,464.33 : 167,550.61 = 73,032.62 : x
  2. Step 2: Convert to fraction form
    121,464.33/167,550.61 = 73,032.62/x
  3. Step 3: Cross multiply
    121,464.33x = 167,550.61 × 73,032.62
  4. Step 4: Simplify right side
    121,464.33x = 12,236,660,030.90
  5. Step 5: Solve for x
    x = 12,236,660,030.90/121,464.33
  6. Step 6: Final answer
    x = 100,742.83

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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.