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Finding the Fourth Proportional to 67,937.75, 101,449.13 and 55,482.48

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Solution

The fourth proportional to 67,937.75, 101,449.13 and 55,482.48 is: 82,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.75 : 101,449.13 = 55,482.48 : x
  2. Step 2: Convert to fraction form
    67,937.75/101,449.13 = 55,482.48/x
  3. Step 3: Cross multiply
    67,937.75x = 101,449.13 × 55,482.48
  4. Step 4: Simplify right side
    67,937.75x = 5,628,648,668.40
  5. Step 5: Solve for x
    x = 5,628,648,668.40/67,937.75
  6. Step 6: Final answer
    x = 82,850.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.