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Finding the Fourth Proportional to 74,693.88, 112,084.56 and 41,441.76

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Solution

The fourth proportional to 74,693.88, 112,084.56 and 41,441.76 is: 62,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.88 : 112,084.56 = 41,441.76 : x
  2. Step 2: Convert to fraction form
    74,693.88/112,084.56 = 41,441.76/x
  3. Step 3: Cross multiply
    74,693.88x = 112,084.56 × 41,441.76
  4. Step 4: Simplify right side
    74,693.88x = 4,644,981,435.23
  5. Step 5: Solve for x
    x = 4,644,981,435.23/74,693.88
  6. Step 6: Final answer
    x = 62,186.91

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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.