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Finding the Fourth Proportional to 101,496.60, 140,062.41 and 56,176.44

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Solution

The fourth proportional to 101,496.60, 140,062.41 and 56,176.44 is: 77,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,496.60 : 140,062.41 = 56,176.44 : x
  2. Step 2: Convert to fraction form
    101,496.60/140,062.41 = 56,176.44/x
  3. Step 3: Cross multiply
    101,496.60x = 140,062.41 × 56,176.44
  4. Step 4: Simplify right side
    101,496.60x = 7,868,207,571.62
  5. Step 5: Solve for x
    x = 7,868,207,571.62/101,496.60
  6. Step 6: Final answer
    x = 77,521.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.