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Finding the Fourth Proportional to 105,523.44, 158,287.19 and 38,929.29

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Solution

The fourth proportional to 105,523.44, 158,287.19 and 38,929.29 is: 58,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,523.44 : 158,287.19 = 38,929.29 : x
  2. Step 2: Convert to fraction form
    105,523.44/158,287.19 = 38,929.29/x
  3. Step 3: Cross multiply
    105,523.44x = 158,287.19 × 38,929.29
  4. Step 4: Simplify right side
    105,523.44x = 6,162,007,728.15
  5. Step 5: Solve for x
    x = 6,162,007,728.15/105,523.44
  6. Step 6: Final answer
    x = 58,394.68

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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.