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Finding the Fourth Proportional to 83,848, 125,735.10 and 44,395.90

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Solution

The fourth proportional to 83,848, 125,735.10 and 44,395.90 is: 66,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,848 : 125,735.10 = 44,395.90 : x
  2. Step 2: Convert to fraction form
    83,848/125,735.10 = 44,395.90/x
  3. Step 3: Cross multiply
    83,848x = 125,735.10 × 44,395.90
  4. Step 4: Simplify right side
    83,848x = 5,582,122,926.09
  5. Step 5: Solve for x
    x = 5,582,122,926.09/83,848
  6. Step 6: Final answer
    x = 66,574.31

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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.