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Finding the Fourth Proportional to 121,888.80, 182,851.44 and 38,801.44

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Solution

The fourth proportional to 121,888.80, 182,851.44 and 38,801.44 is: 58,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,888.80 : 182,851.44 = 38,801.44 : x
  2. Step 2: Convert to fraction form
    121,888.80/182,851.44 = 38,801.44/x
  3. Step 3: Cross multiply
    121,888.80x = 182,851.44 × 38,801.44
  4. Step 4: Simplify right side
    121,888.80x = 7,094,899,178.07
  5. Step 5: Solve for x
    x = 7,094,899,178.07/121,888.80
  6. Step 6: Final answer
    x = 58,207.97

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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.