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Finding the Fourth Proportional to 107,175.39, 160,754.45 and 43,977.57

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Solution

The fourth proportional to 107,175.39, 160,754.45 and 43,977.57 is: 65,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,175.39 : 160,754.45 = 43,977.57 : x
  2. Step 2: Convert to fraction form
    107,175.39/160,754.45 = 43,977.57/x
  3. Step 3: Cross multiply
    107,175.39x = 160,754.45 × 43,977.57
  4. Step 4: Simplify right side
    107,175.39x = 7,069,589,857.80
  5. Step 5: Solve for x
    x = 7,069,589,857.80/107,175.39
  6. Step 6: Final answer
    x = 65,962.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.