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Finding the Fourth Proportional to 99,216.80, 148,845.69 and 32,660.92

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Solution

The fourth proportional to 99,216.80, 148,845.69 and 32,660.92 is: 48,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,216.80 : 148,845.69 = 32,660.92 : x
  2. Step 2: Convert to fraction form
    99,216.80/148,845.69 = 32,660.92/x
  3. Step 3: Cross multiply
    99,216.80x = 148,845.69 × 32,660.92
  4. Step 4: Simplify right side
    99,216.80x = 4,861,436,801.32
  5. Step 5: Solve for x
    x = 4,861,436,801.32/99,216.80
  6. Step 6: Final answer
    x = 48,998.12

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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.