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Finding the Fourth Proportional to 48,876.80, 73,315.20 and 41,878.40

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Solution

The fourth proportional to 48,876.80, 73,315.20 and 41,878.40 is: 62,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,876.80 : 73,315.20 = 41,878.40 : x
  2. Step 2: Convert to fraction form
    48,876.80/73,315.20 = 41,878.40/x
  3. Step 3: Cross multiply
    48,876.80x = 73,315.20 × 41,878.40
  4. Step 4: Simplify right side
    48,876.80x = 3,070,323,271.68
  5. Step 5: Solve for x
    x = 3,070,323,271.68/48,876.80
  6. Step 6: Final answer
    x = 62,817.60

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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.