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Finding the Fourth Proportional to 132,673.46, 199,009.74 and 53,787.50

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Solution

The fourth proportional to 132,673.46, 199,009.74 and 53,787.50 is: 80,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,673.46 : 199,009.74 = 53,787.50 : x
  2. Step 2: Convert to fraction form
    132,673.46/199,009.74 = 53,787.50/x
  3. Step 3: Cross multiply
    132,673.46x = 199,009.74 × 53,787.50
  4. Step 4: Simplify right side
    132,673.46x = 10,704,236,390.25
  5. Step 5: Solve for x
    x = 10,704,236,390.25/132,673.46
  6. Step 6: Final answer
    x = 80,681.07

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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.