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Finding the Fourth Proportional to 87,624.96, 131,424.48 and 32,208

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Solution

The fourth proportional to 87,624.96, 131,424.48 and 32,208 is: 48,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.96 : 131,424.48 = 32,208 : x
  2. Step 2: Convert to fraction form
    87,624.96/131,424.48 = 32,208/x
  3. Step 3: Cross multiply
    87,624.96x = 131,424.48 × 32,208
  4. Step 4: Simplify right side
    87,624.96x = 4,232,919,651.84
  5. Step 5: Solve for x
    x = 4,232,919,651.84/87,624.96
  6. Step 6: Final answer
    x = 48,307.24

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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.