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Finding the Fourth Proportional to 88,165.20, 132,247.80 and 48,799.20

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Solution

The fourth proportional to 88,165.20, 132,247.80 and 48,799.20 is: 73,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.20 : 132,247.80 = 48,799.20 : x
  2. Step 2: Convert to fraction form
    88,165.20/132,247.80 = 48,799.20/x
  3. Step 3: Cross multiply
    88,165.20x = 132,247.80 × 48,799.20
  4. Step 4: Simplify right side
    88,165.20x = 6,453,586,841.76
  5. Step 5: Solve for x
    x = 6,453,586,841.76/88,165.20
  6. Step 6: Final answer
    x = 73,198.80

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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.