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Finding the Fourth Proportional to 162,855.62, 224,739.52 and 91,236.23

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Solution

The fourth proportional to 162,855.62, 224,739.52 and 91,236.23 is: 125,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,855.62 : 224,739.52 = 91,236.23 : x
  2. Step 2: Convert to fraction form
    162,855.62/224,739.52 = 91,236.23/x
  3. Step 3: Cross multiply
    162,855.62x = 224,739.52 × 91,236.23
  4. Step 4: Simplify right side
    162,855.62x = 20,504,385,185.02
  5. Step 5: Solve for x
    x = 20,504,385,185.02/162,855.62
  6. Step 6: Final answer
    x = 125,905.30

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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.