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Finding the Fourth Proportional to 95,239.78, 142,888.22 and 28,682.08

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Solution

The fourth proportional to 95,239.78, 142,888.22 and 28,682.08 is: 43,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,239.78 : 142,888.22 = 28,682.08 : x
  2. Step 2: Convert to fraction form
    95,239.78/142,888.22 = 28,682.08/x
  3. Step 3: Cross multiply
    95,239.78x = 142,888.22 × 28,682.08
  4. Step 4: Simplify right side
    95,239.78x = 4,098,331,357.10
  5. Step 5: Solve for x
    x = 4,098,331,357.10/95,239.78
  6. Step 6: Final answer
    x = 43,031.72

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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.