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Finding the Fourth Proportional to 88,410.80, 132,616.20 and 25,230.80

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Solution

The fourth proportional to 88,410.80, 132,616.20 and 25,230.80 is: 37,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,410.80 : 132,616.20 = 25,230.80 : x
  2. Step 2: Convert to fraction form
    88,410.80/132,616.20 = 25,230.80/x
  3. Step 3: Cross multiply
    88,410.80x = 132,616.20 × 25,230.80
  4. Step 4: Simplify right side
    88,410.80x = 3,346,012,818.96
  5. Step 5: Solve for x
    x = 3,346,012,818.96/88,410.80
  6. Step 6: Final answer
    x = 37,846.20

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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.