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Finding the Fourth Proportional to 250,223.92, 375,168.48 and 137,957.92

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Solution

The fourth proportional to 250,223.92, 375,168.48 and 137,957.92 is: 206,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,223.92 : 375,168.48 = 137,957.92 : x
  2. Step 2: Convert to fraction form
    250,223.92/375,168.48 = 137,957.92/x
  3. Step 3: Cross multiply
    250,223.92x = 375,168.48 × 137,957.92
  4. Step 4: Simplify right side
    250,223.92x = 51,757,463,150.36
  5. Step 5: Solve for x
    x = 51,757,463,150.36/250,223.92
  6. Step 6: Final answer
    x = 206,844.59

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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.