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Finding the Fourth Proportional to 162,817.74, 224,687.16 and 91,198.44

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Solution

The fourth proportional to 162,817.74, 224,687.16 and 91,198.44 is: 125,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,817.74 : 224,687.16 = 91,198.44 : x
  2. Step 2: Convert to fraction form
    162,817.74/224,687.16 = 91,198.44/x
  3. Step 3: Cross multiply
    162,817.74x = 224,687.16 × 91,198.44
  4. Step 4: Simplify right side
    162,817.74x = 20,491,118,480.03
  5. Step 5: Solve for x
    x = 20,491,118,480.03/162,817.74
  6. Step 6: Final answer
    x = 125,853.11

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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.