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Finding the Fourth Proportional to 99,215.55, 148,845.87 and 32,662.44

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Solution

The fourth proportional to 99,215.55, 148,845.87 and 32,662.44 is: 49,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,215.55 : 148,845.87 = 32,662.44 : x
  2. Step 2: Convert to fraction form
    99,215.55/148,845.87 = 32,662.44/x
  3. Step 3: Cross multiply
    99,215.55x = 148,845.87 × 32,662.44
  4. Step 4: Simplify right side
    99,215.55x = 4,861,669,298.12
  5. Step 5: Solve for x
    x = 4,861,669,298.12/99,215.55
  6. Step 6: Final answer
    x = 49,001.08

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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.