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Finding the Fourth Proportional to 95,135.40, 142,600.10 and 61,879.23

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Solution

The fourth proportional to 95,135.40, 142,600.10 and 61,879.23 is: 92,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,135.40 : 142,600.10 = 61,879.23 : x
  2. Step 2: Convert to fraction form
    95,135.40/142,600.10 = 61,879.23/x
  3. Step 3: Cross multiply
    95,135.40x = 142,600.10 × 61,879.23
  4. Step 4: Simplify right side
    95,135.40x = 8,823,984,076.53
  5. Step 5: Solve for x
    x = 8,823,984,076.53/95,135.40
  6. Step 6: Final answer
    x = 92,751.85

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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.