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Finding the Fourth Proportional to 248,062.16, 371,665.28 and 135,823.16

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Solution

The fourth proportional to 248,062.16, 371,665.28 and 135,823.16 is: 203,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062.16 : 371,665.28 = 135,823.16 : x
  2. Step 2: Convert to fraction form
    248,062.16/371,665.28 = 135,823.16/x
  3. Step 3: Cross multiply
    248,062.16x = 371,665.28 × 135,823.16
  4. Step 4: Simplify right side
    248,062.16x = 50,480,752,791.88
  5. Step 5: Solve for x
    x = 50,480,752,791.88/248,062.16
  6. Step 6: Final answer
    x = 203,500.42

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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.