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Finding the Fourth Proportional to 99,313.80, 148,975.56 and 32,753.64

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Solution

The fourth proportional to 99,313.80, 148,975.56 and 32,753.64 is: 49,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,313.80 : 148,975.56 = 32,753.64 : x
  2. Step 2: Convert to fraction form
    99,313.80/148,975.56 = 32,753.64/x
  3. Step 3: Cross multiply
    99,313.80x = 148,975.56 × 32,753.64
  4. Step 4: Simplify right side
    99,313.80x = 4,879,491,861.04
  5. Step 5: Solve for x
    x = 4,879,491,861.04/99,313.80
  6. Step 6: Final answer
    x = 49,132.06

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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.