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Finding the Fourth Proportional to 132,873.62, 199,309.61 and 48,639.64

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Solution

The fourth proportional to 132,873.62, 199,309.61 and 48,639.64 is: 72,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,873.62 : 199,309.61 = 48,639.64 : x
  2. Step 2: Convert to fraction form
    132,873.62/199,309.61 = 48,639.64/x
  3. Step 3: Cross multiply
    132,873.62x = 199,309.61 × 48,639.64
  4. Step 4: Simplify right side
    132,873.62x = 9,694,347,675.97
  5. Step 5: Solve for x
    x = 9,694,347,675.97/132,873.62
  6. Step 6: Final answer
    x = 72,959.16

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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.