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Finding the Fourth Proportional to 99,189.56, 148,767.92 and 32,630.52

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Solution

The fourth proportional to 99,189.56, 148,767.92 and 32,630.52 is: 48,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189.56 : 148,767.92 = 32,630.52 : x
  2. Step 2: Convert to fraction form
    99,189.56/148,767.92 = 32,630.52/x
  3. Step 3: Cross multiply
    99,189.56x = 148,767.92 × 32,630.52
  4. Step 4: Simplify right side
    99,189.56x = 4,854,374,588.92
  5. Step 5: Solve for x
    x = 4,854,374,588.92/99,189.56
  6. Step 6: Final answer
    x = 48,940.38

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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.