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Finding the Fourth Proportional to 248,442, 372,665.88 and 61,455.12

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Solution

The fourth proportional to 248,442, 372,665.88 and 61,455.12 is: 92,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,442 : 372,665.88 = 61,455.12 : x
  2. Step 2: Convert to fraction form
    248,442/372,665.88 = 61,455.12/x
  3. Step 3: Cross multiply
    248,442x = 372,665.88 × 61,455.12
  4. Step 4: Simplify right side
    248,442x = 22,902,226,375.31
  5. Step 5: Solve for x
    x = 22,902,226,375.31/248,442
  6. Step 6: Final answer
    x = 92,183.39

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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.