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Finding the Fourth Proportional to 79,034.45, 109,080.41 and 58,751.22

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Solution

The fourth proportional to 79,034.45, 109,080.41 and 58,751.22 is: 81,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,034.45 : 109,080.41 = 58,751.22 : x
  2. Step 2: Convert to fraction form
    79,034.45/109,080.41 = 58,751.22/x
  3. Step 3: Cross multiply
    79,034.45x = 109,080.41 × 58,751.22
  4. Step 4: Simplify right side
    79,034.45x = 6,408,606,871.84
  5. Step 5: Solve for x
    x = 6,408,606,871.84/79,034.45
  6. Step 6: Final answer
    x = 81,086.25

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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.