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Finding the Fourth Proportional to 132,793.02, 199,218.42 and 49,687.02

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Solution

The fourth proportional to 132,793.02, 199,218.42 and 49,687.02 is: 74,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,793.02 : 199,218.42 = 49,687.02 : x
  2. Step 2: Convert to fraction form
    132,793.02/199,218.42 = 49,687.02/x
  3. Step 3: Cross multiply
    132,793.02x = 199,218.42 × 49,687.02
  4. Step 4: Simplify right side
    132,793.02x = 9,898,569,618.91
  5. Step 5: Solve for x
    x = 9,898,569,618.91/132,793.02
  6. Step 6: Final answer
    x = 74,541.34

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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.