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Finding the Fourth Proportional to 79,361.39, 109,521.88 and 43,552.70

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Solution

The fourth proportional to 79,361.39, 109,521.88 and 43,552.70 is: 60,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,361.39 : 109,521.88 = 43,552.70 : x
  2. Step 2: Convert to fraction form
    79,361.39/109,521.88 = 43,552.70/x
  3. Step 3: Cross multiply
    79,361.39x = 109,521.88 × 43,552.70
  4. Step 4: Simplify right side
    79,361.39x = 4,769,972,926.58
  5. Step 5: Solve for x
    x = 4,769,972,926.58/79,361.39
  6. Step 6: Final answer
    x = 60,104.45

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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.