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Finding the Fourth Proportional to 59,794.20, 89,764.20 and 30,196.80

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Solution

The fourth proportional to 59,794.20, 89,764.20 and 30,196.80 is: 45,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,794.20 : 89,764.20 = 30,196.80 : x
  2. Step 2: Convert to fraction form
    59,794.20/89,764.20 = 30,196.80/x
  3. Step 3: Cross multiply
    59,794.20x = 89,764.20 × 30,196.80
  4. Step 4: Simplify right side
    59,794.20x = 2,710,591,594.56
  5. Step 5: Solve for x
    x = 2,710,591,594.56/59,794.20
  6. Step 6: Final answer
    x = 45,332.02

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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.