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Finding the Fourth Proportional to 250,788.43, 375,892.80 and 115,569.82

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Solution

The fourth proportional to 250,788.43, 375,892.80 and 115,569.82 is: 173,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,788.43 : 375,892.80 = 115,569.82 : x
  2. Step 2: Convert to fraction form
    250,788.43/375,892.80 = 115,569.82/x
  3. Step 3: Cross multiply
    250,788.43x = 375,892.80 × 115,569.82
  4. Step 4: Simplify right side
    250,788.43x = 43,441,863,235.30
  5. Step 5: Solve for x
    x = 43,441,863,235.30/250,788.43
  6. Step 6: Final answer
    x = 173,221.16

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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.