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Finding the Fourth Proportional to 83,334, 115,000.92 and 45,608.28

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Solution

The fourth proportional to 83,334, 115,000.92 and 45,608.28 is: 62,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,334 : 115,000.92 = 45,608.28 : x
  2. Step 2: Convert to fraction form
    83,334/115,000.92 = 45,608.28/x
  3. Step 3: Cross multiply
    83,334x = 115,000.92 × 45,608.28
  4. Step 4: Simplify right side
    83,334x = 5,244,994,159.62
  5. Step 5: Solve for x
    x = 5,244,994,159.62/83,334
  6. Step 6: Final answer
    x = 62,939.43

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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.