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Finding the Fourth Proportional to 95,662.80, 143,429.40 and 48,877.20

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Solution

The fourth proportional to 95,662.80, 143,429.40 and 48,877.20 is: 73,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,662.80 : 143,429.40 = 48,877.20 : x
  2. Step 2: Convert to fraction form
    95,662.80/143,429.40 = 48,877.20/x
  3. Step 3: Cross multiply
    95,662.80x = 143,429.40 × 48,877.20
  4. Step 4: Simplify right side
    95,662.80x = 7,010,427,469.68
  5. Step 5: Solve for x
    x = 7,010,427,469.68/95,662.80
  6. Step 6: Final answer
    x = 73,282.69

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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.