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Finding the Fourth Proportional to 250,466.94, 375,721.80 and 138,224.62

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Solution

The fourth proportional to 250,466.94, 375,721.80 and 138,224.62 is: 207,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,466.94 : 375,721.80 = 138,224.62 : x
  2. Step 2: Convert to fraction form
    250,466.94/375,721.80 = 138,224.62/x
  3. Step 3: Cross multiply
    250,466.94x = 375,721.80 × 138,224.62
  4. Step 4: Simplify right side
    250,466.94x = 51,934,003,030.72
  5. Step 5: Solve for x
    x = 51,934,003,030.72/250,466.94
  6. Step 6: Final answer
    x = 207,348.73

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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.