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Finding the Fourth Proportional to 132,752.48, 199,122.24 and 49,640

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Solution

The fourth proportional to 132,752.48, 199,122.24 and 49,640 is: 74,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,752.48 : 199,122.24 = 49,640 : x
  2. Step 2: Convert to fraction form
    132,752.48/199,122.24 = 49,640/x
  3. Step 3: Cross multiply
    132,752.48x = 199,122.24 × 49,640
  4. Step 4: Simplify right side
    132,752.48x = 9,884,427,993.60
  5. Step 5: Solve for x
    x = 9,884,427,993.60/132,752.48
  6. Step 6: Final answer
    x = 74,457.58

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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.