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Finding the Fourth Proportional to 132,903.52, 199,305.60 and 53,991.16

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Solution

The fourth proportional to 132,903.52, 199,305.60 and 53,991.16 is: 80,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,903.52 : 199,305.60 = 53,991.16 : x
  2. Step 2: Convert to fraction form
    132,903.52/199,305.60 = 53,991.16/x
  3. Step 3: Cross multiply
    132,903.52x = 199,305.60 × 53,991.16
  4. Step 4: Simplify right side
    132,903.52x = 10,760,740,538.50
  5. Step 5: Solve for x
    x = 10,760,740,538.50/132,903.52
  6. Step 6: Final answer
    x = 80,966.56

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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.