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Finding the Fourth Proportional to 95,099.78, 142,629.01 and 28,522.03

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Solution

The fourth proportional to 95,099.78, 142,629.01 and 28,522.03 is: 42,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,099.78 : 142,629.01 = 28,522.03 : x
  2. Step 2: Convert to fraction form
    95,099.78/142,629.01 = 28,522.03/x
  3. Step 3: Cross multiply
    95,099.78x = 142,629.01 × 28,522.03
  4. Step 4: Simplify right side
    95,099.78x = 4,068,068,902.09
  5. Step 5: Solve for x
    x = 4,068,068,902.09/95,099.78
  6. Step 6: Final answer
    x = 42,776.85

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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.