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Finding the Fourth Proportional to 88,655.20, 132,982.80 and 44,288.80

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Solution

The fourth proportional to 88,655.20, 132,982.80 and 44,288.80 is: 66,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.20 : 132,982.80 = 44,288.80 : x
  2. Step 2: Convert to fraction form
    88,655.20/132,982.80 = 44,288.80/x
  3. Step 3: Cross multiply
    88,655.20x = 132,982.80 × 44,288.80
  4. Step 4: Simplify right side
    88,655.20x = 5,889,648,632.64
  5. Step 5: Solve for x
    x = 5,889,648,632.64/88,655.20
  6. Step 6: Final answer
    x = 66,433.20

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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.