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Finding the Fourth Proportional to 95,097.78, 142,626.02 and 28,520.03

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Solution

The fourth proportional to 95,097.78, 142,626.02 and 28,520.03 is: 42,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,097.78 : 142,626.02 = 28,520.03 : x
  2. Step 2: Convert to fraction form
    95,097.78/142,626.02 = 28,520.03/x
  3. Step 3: Cross multiply
    95,097.78x = 142,626.02 × 28,520.03
  4. Step 4: Simplify right side
    95,097.78x = 4,067,698,583.15
  5. Step 5: Solve for x
    x = 4,067,698,583.15/95,097.78
  6. Step 6: Final answer
    x = 42,773.85

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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.