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Finding the Fourth Proportional to 95,255.28, 142,872.80 and 39,101.28

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Solution

The fourth proportional to 95,255.28, 142,872.80 and 39,101.28 is: 58,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,255.28 : 142,872.80 = 39,101.28 : x
  2. Step 2: Convert to fraction form
    95,255.28/142,872.80 = 39,101.28/x
  3. Step 3: Cross multiply
    95,255.28x = 142,872.80 × 39,101.28
  4. Step 4: Simplify right side
    95,255.28x = 5,586,509,357.18
  5. Step 5: Solve for x
    x = 5,586,509,357.18/95,255.28
  6. Step 6: Final answer
    x = 58,647.77

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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.