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Finding the Fourth Proportional to 95,279.85, 142,895.85 and 39,135.46

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Solution

The fourth proportional to 95,279.85, 142,895.85 and 39,135.46 is: 58,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,279.85 : 142,895.85 = 39,135.46 : x
  2. Step 2: Convert to fraction form
    95,279.85/142,895.85 = 39,135.46/x
  3. Step 3: Cross multiply
    95,279.85x = 142,895.85 × 39,135.46
  4. Step 4: Simplify right side
    95,279.85x = 5,592,294,821.84
  5. Step 5: Solve for x
    x = 5,592,294,821.84/95,279.85
  6. Step 6: Final answer
    x = 58,693.36

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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.