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Finding the Fourth Proportional to 114,294.40, 157,744.96 and 68,351.04

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Solution

The fourth proportional to 114,294.40, 157,744.96 and 68,351.04 is: 94,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,294.40 : 157,744.96 = 68,351.04 : x
  2. Step 2: Convert to fraction form
    114,294.40/157,744.96 = 68,351.04/x
  3. Step 3: Cross multiply
    114,294.40x = 157,744.96 × 68,351.04
  4. Step 4: Simplify right side
    114,294.40x = 10,782,032,070.76
  5. Step 5: Solve for x
    x = 10,782,032,070.76/114,294.40
  6. Step 6: Final answer
    x = 94,335.61

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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.