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Finding the Fourth Proportional to 248,402.26, 372,354.25 and 115,375.94

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Solution

The fourth proportional to 248,402.26, 372,354.25 and 115,375.94 is: 172,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,402.26 : 372,354.25 = 115,375.94 : x
  2. Step 2: Convert to fraction form
    248,402.26/372,354.25 = 115,375.94/x
  3. Step 3: Cross multiply
    248,402.26x = 372,354.25 × 115,375.94
  4. Step 4: Simplify right side
    248,402.26x = 42,960,721,606.75
  5. Step 5: Solve for x
    x = 42,960,721,606.75/248,402.26
  6. Step 6: Final answer
    x = 172,948.19

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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.