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Finding the Fourth Proportional to 150,099.80, 225,117.30 and 65,859.80

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Solution

The fourth proportional to 150,099.80, 225,117.30 and 65,859.80 is: 98,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,099.80 : 225,117.30 = 65,859.80 : x
  2. Step 2: Convert to fraction form
    150,099.80/225,117.30 = 65,859.80/x
  3. Step 3: Cross multiply
    150,099.80x = 225,117.30 × 65,859.80
  4. Step 4: Simplify right side
    150,099.80x = 14,826,180,354.54
  5. Step 5: Solve for x
    x = 14,826,180,354.54/150,099.80
  6. Step 6: Final answer
    x = 98,775.48

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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.