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Finding the Fourth Proportional to 85,352.97, 117,786.45 and 49,546.32

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Solution

The fourth proportional to 85,352.97, 117,786.45 and 49,546.32 is: 68,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,352.97 : 117,786.45 = 49,546.32 : x
  2. Step 2: Convert to fraction form
    85,352.97/117,786.45 = 49,546.32/x
  3. Step 3: Cross multiply
    85,352.97x = 117,786.45 × 49,546.32
  4. Step 4: Simplify right side
    85,352.97x = 5,835,885,143.36
  5. Step 5: Solve for x
    x = 5,835,885,143.36/85,352.97
  6. Step 6: Final answer
    x = 68,373.55

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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.