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Finding the Fourth Proportional to 248,209.92, 372,470.40 and 100,465.92

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Solution

The fourth proportional to 248,209.92, 372,470.40 and 100,465.92 is: 150,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,209.92 : 372,470.40 = 100,465.92 : x
  2. Step 2: Convert to fraction form
    248,209.92/372,470.40 = 100,465.92/x
  3. Step 3: Cross multiply
    248,209.92x = 372,470.40 × 100,465.92
  4. Step 4: Simplify right side
    248,209.92x = 37,420,581,408.77
  5. Step 5: Solve for x
    x = 37,420,581,408.77/248,209.92
  6. Step 6: Final answer
    x = 150,761.83

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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.