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Finding the Fourth Proportional to 111,613.52, 167,357.28 and 36,713.44

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Solution

The fourth proportional to 111,613.52, 167,357.28 and 36,713.44 is: 55,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,613.52 : 167,357.28 = 36,713.44 : x
  2. Step 2: Convert to fraction form
    111,613.52/167,357.28 = 36,713.44/x
  3. Step 3: Cross multiply
    111,613.52x = 167,357.28 × 36,713.44
  4. Step 4: Simplify right side
    111,613.52x = 6,144,261,457.84
  5. Step 5: Solve for x
    x = 6,144,261,457.84/111,613.52
  6. Step 6: Final answer
    x = 55,049.44

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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.