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Finding the Fourth Proportional to 121,167, 181,787.56 and 62,044.50

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Solution

The fourth proportional to 121,167, 181,787.56 and 62,044.50 is: 93,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,167 : 181,787.56 = 62,044.50 : x
  2. Step 2: Convert to fraction form
    121,167/181,787.56 = 62,044.50/x
  3. Step 3: Cross multiply
    121,167x = 181,787.56 × 62,044.50
  4. Step 4: Simplify right side
    121,167x = 11,278,918,266.42
  5. Step 5: Solve for x
    x = 11,278,918,266.42/121,167
  6. Step 6: Final answer
    x = 93,085.73

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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.