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Finding the Fourth Proportional to 92,442.44, 138,579.66 and 48,017.16

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Solution

The fourth proportional to 92,442.44, 138,579.66 and 48,017.16 is: 71,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,442.44 : 138,579.66 = 48,017.16 : x
  2. Step 2: Convert to fraction form
    92,442.44/138,579.66 = 48,017.16/x
  3. Step 3: Cross multiply
    92,442.44x = 138,579.66 × 48,017.16
  4. Step 4: Simplify right side
    92,442.44x = 6,654,201,706.97
  5. Step 5: Solve for x
    x = 6,654,201,706.97/92,442.44
  6. Step 6: Final answer
    x = 71,982.11

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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.