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Finding the Fourth Proportional to 110,321.44, 165,333.12 and 79,087.84

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Solution

The fourth proportional to 110,321.44, 165,333.12 and 79,087.84 is: 118,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,321.44 : 165,333.12 = 79,087.84 : x
  2. Step 2: Convert to fraction form
    110,321.44/165,333.12 = 79,087.84/x
  3. Step 3: Cross multiply
    110,321.44x = 165,333.12 × 79,087.84
  4. Step 4: Simplify right side
    110,321.44x = 13,075,839,341.26
  5. Step 5: Solve for x
    x = 13,075,839,341.26/110,321.44
  6. Step 6: Final answer
    x = 118,524.92

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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.