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Finding the Fourth Proportional to 112,029.76, 168,073.80 and 41,914.54

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Solution

The fourth proportional to 112,029.76, 168,073.80 and 41,914.54 is: 62,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.76 : 168,073.80 = 41,914.54 : x
  2. Step 2: Convert to fraction form
    112,029.76/168,073.80 = 41,914.54/x
  3. Step 3: Cross multiply
    112,029.76x = 168,073.80 × 41,914.54
  4. Step 4: Simplify right side
    112,029.76x = 7,044,736,013.05
  5. Step 5: Solve for x
    x = 7,044,736,013.05/112,029.76
  6. Step 6: Final answer
    x = 62,882.72

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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.