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Finding the Fourth Proportional to 141,232.22, 194,853.03 and 79,970.06

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Solution

The fourth proportional to 141,232.22, 194,853.03 and 79,970.06 is: 110,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,232.22 : 194,853.03 = 79,970.06 : x
  2. Step 2: Convert to fraction form
    141,232.22/194,853.03 = 79,970.06/x
  3. Step 3: Cross multiply
    141,232.22x = 194,853.03 × 79,970.06
  4. Step 4: Simplify right side
    141,232.22x = 15,582,408,687.53
  5. Step 5: Solve for x
    x = 15,582,408,687.53/141,232.22
  6. Step 6: Final answer
    x = 110,331.83

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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.