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Finding the Fourth Proportional to 132,640.48, 198,954.24 and 49,528

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Solution

The fourth proportional to 132,640.48, 198,954.24 and 49,528 is: 74,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,640.48 : 198,954.24 = 49,528 : x
  2. Step 2: Convert to fraction form
    132,640.48/198,954.24 = 49,528/x
  3. Step 3: Cross multiply
    132,640.48x = 198,954.24 × 49,528
  4. Step 4: Simplify right side
    132,640.48x = 9,853,805,598.72
  5. Step 5: Solve for x
    x = 9,853,805,598.72/132,640.48
  6. Step 6: Final answer
    x = 74,289.58

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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.