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Finding the Fourth Proportional to 79,774.17, 110,086.19 and 43,964.17

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Solution

The fourth proportional to 79,774.17, 110,086.19 and 43,964.17 is: 60,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.17 : 110,086.19 = 43,964.17 : x
  2. Step 2: Convert to fraction form
    79,774.17/110,086.19 = 43,964.17/x
  3. Step 3: Cross multiply
    79,774.17x = 110,086.19 × 43,964.17
  4. Step 4: Simplify right side
    79,774.17x = 4,839,847,641.64
  5. Step 5: Solve for x
    x = 4,839,847,641.64/79,774.17
  6. Step 6: Final answer
    x = 60,669.36

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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.