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Finding the Fourth Proportional to 112,894.43, 155,801.30 and 62,593.43

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Solution

The fourth proportional to 112,894.43, 155,801.30 and 62,593.43 is: 86,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,894.43 : 155,801.30 = 62,593.43 : x
  2. Step 2: Convert to fraction form
    112,894.43/155,801.30 = 62,593.43/x
  3. Step 3: Cross multiply
    112,894.43x = 155,801.30 × 62,593.43
  4. Step 4: Simplify right side
    112,894.43x = 9,752,136,673.49
  5. Step 5: Solve for x
    x = 9,752,136,673.49/112,894.43
  6. Step 6: Final answer
    x = 86,382.80

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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.