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Finding the Fourth Proportional to 98,433.20, 147,669.20 and 36,104.24

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Solution

The fourth proportional to 98,433.20, 147,669.20 and 36,104.24 is: 54,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.20 : 147,669.20 = 36,104.24 : x
  2. Step 2: Convert to fraction form
    98,433.20/147,669.20 = 36,104.24/x
  3. Step 3: Cross multiply
    98,433.20x = 147,669.20 × 36,104.24
  4. Step 4: Simplify right side
    98,433.20x = 5,331,484,237.41
  5. Step 5: Solve for x
    x = 5,331,484,237.41/98,433.20
  6. Step 6: Final answer
    x = 54,163.48

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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.