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Finding the Fourth Proportional to 250,640.53, 375,982.92 and 70,727.54

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Solution

The fourth proportional to 250,640.53, 375,982.92 and 70,727.54 is: 106,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,640.53 : 375,982.92 = 70,727.54 : x
  2. Step 2: Convert to fraction form
    250,640.53/375,982.92 = 70,727.54/x
  3. Step 3: Cross multiply
    250,640.53x = 375,982.92 × 70,727.54
  4. Step 4: Simplify right side
    250,640.53x = 26,592,347,953.57
  5. Step 5: Solve for x
    x = 26,592,347,953.57/250,640.53
  6. Step 6: Final answer
    x = 106,097.56

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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.