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Finding the Fourth Proportional to 111,753.80, 167,630.70 and 41,618.60

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Solution

The fourth proportional to 111,753.80, 167,630.70 and 41,618.60 is: 62,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,753.80 : 167,630.70 = 41,618.60 : x
  2. Step 2: Convert to fraction form
    111,753.80/167,630.70 = 41,618.60/x
  3. Step 3: Cross multiply
    111,753.80x = 167,630.70 × 41,618.60
  4. Step 4: Simplify right side
    111,753.80x = 6,976,555,051.02
  5. Step 5: Solve for x
    x = 6,976,555,051.02/111,753.80
  6. Step 6: Final answer
    x = 62,427.90

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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.