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Finding the Fourth Proportional to 48,878.40, 73,098.90 and 41,005.20

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Solution

The fourth proportional to 48,878.40, 73,098.90 and 41,005.20 is: 61,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,878.40 : 73,098.90 = 41,005.20 : x
  2. Step 2: Convert to fraction form
    48,878.40/73,098.90 = 41,005.20/x
  3. Step 3: Cross multiply
    48,878.40x = 73,098.90 × 41,005.20
  4. Step 4: Simplify right side
    48,878.40x = 2,997,435,014.28
  5. Step 5: Solve for x
    x = 2,997,435,014.28/48,878.40
  6. Step 6: Final answer
    x = 61,324.33

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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.