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Finding the Fourth Proportional to 75,031.92, 103,494.93 and 44,793.60

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Solution

The fourth proportional to 75,031.92, 103,494.93 and 44,793.60 is: 61,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,031.92 : 103,494.93 = 44,793.60 : x
  2. Step 2: Convert to fraction form
    75,031.92/103,494.93 = 44,793.60/x
  3. Step 3: Cross multiply
    75,031.92x = 103,494.93 × 44,793.60
  4. Step 4: Simplify right side
    75,031.92x = 4,635,910,496.45
  5. Step 5: Solve for x
    x = 4,635,910,496.45/75,031.92
  6. Step 6: Final answer
    x = 61,785.84

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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.