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Finding the Fourth Proportional to 292,755, 404,002.17 and 158,619

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Solution

The fourth proportional to 292,755, 404,002.17 and 158,619 is: 218,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,755 : 404,002.17 = 158,619 : x
  2. Step 2: Convert to fraction form
    292,755/404,002.17 = 158,619/x
  3. Step 3: Cross multiply
    292,755x = 404,002.17 × 158,619
  4. Step 4: Simplify right side
    292,755x = 64,082,420,203.23
  5. Step 5: Solve for x
    x = 64,082,420,203.23/292,755
  6. Step 6: Final answer
    x = 218,894.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.