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Finding the Fourth Proportional to 99,234.40, 148,808.40 and 32,648.80

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Solution

The fourth proportional to 99,234.40, 148,808.40 and 32,648.80 is: 48,958.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.40 : 148,808.40 = 32,648.80 : x
  2. Step 2: Convert to fraction form
    99,234.40/148,808.40 = 32,648.80/x
  3. Step 3: Cross multiply
    99,234.40x = 148,808.40 × 32,648.80
  4. Step 4: Simplify right side
    99,234.40x = 4,858,415,689.92
  5. Step 5: Solve for x
    x = 4,858,415,689.92/99,234.40
  6. Step 6: Final answer
    x = 48,958.99

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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.