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Finding the Fourth Proportional to 86,160.97, 118,908.17 and 50,354.92

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Solution

The fourth proportional to 86,160.97, 118,908.17 and 50,354.92 is: 69,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,160.97 : 118,908.17 = 50,354.92 : x
  2. Step 2: Convert to fraction form
    86,160.97/118,908.17 = 50,354.92/x
  3. Step 3: Cross multiply
    86,160.97x = 118,908.17 × 50,354.92
  4. Step 4: Simplify right side
    86,160.97x = 5,987,611,387.70
  5. Step 5: Solve for x
    x = 5,987,611,387.70/86,160.97
  6. Step 6: Final answer
    x = 69,493.31

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1.5x scale

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.