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Finding the Fourth Proportional to 132,673.09, 199,009.17 and 53,787.13

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Solution

The fourth proportional to 132,673.09, 199,009.17 and 53,787.13 is: 80,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,673.09 : 199,009.17 = 53,787.13 : x
  2. Step 2: Convert to fraction form
    132,673.09/199,009.17 = 53,787.13/x
  3. Step 3: Cross multiply
    132,673.09x = 199,009.17 × 53,787.13
  4. Step 4: Simplify right side
    132,673.09x = 10,704,132,097.98
  5. Step 5: Solve for x
    x = 10,704,132,097.98/132,673.09
  6. Step 6: Final answer
    x = 80,680.51

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1.5x scale

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.