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Finding the Fourth Proportional to 95,093.28, 142,631.42 and 28,548.28

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Solution

The fourth proportional to 95,093.28, 142,631.42 and 28,548.28 is: 42,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,093.28 : 142,631.42 = 28,548.28 : x
  2. Step 2: Convert to fraction form
    95,093.28/142,631.42 = 28,548.28/x
  3. Step 3: Cross multiply
    95,093.28x = 142,631.42 × 28,548.28
  4. Step 4: Simplify right side
    95,093.28x = 4,071,881,714.96
  5. Step 5: Solve for x
    x = 4,071,881,714.96/95,093.28
  6. Step 6: Final answer
    x = 42,819.87

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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.