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Finding the Fourth Proportional to 150,323.52, 225,500.20 and 55,578.56

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Solution

The fourth proportional to 150,323.52, 225,500.20 and 55,578.56 is: 83,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,323.52 : 225,500.20 = 55,578.56 : x
  2. Step 2: Convert to fraction form
    150,323.52/225,500.20 = 55,578.56/x
  3. Step 3: Cross multiply
    150,323.52x = 225,500.20 × 55,578.56
  4. Step 4: Simplify right side
    150,323.52x = 12,532,976,395.71
  5. Step 5: Solve for x
    x = 12,532,976,395.71/150,323.52
  6. Step 6: Final answer
    x = 83,373.36

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1.5x scale

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.