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Finding the Fourth Proportional to 111,571.58, 167,306.34 and 66,613.34

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Solution

The fourth proportional to 111,571.58, 167,306.34 and 66,613.34 is: 99,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,571.58 : 167,306.34 = 66,613.34 : x
  2. Step 2: Convert to fraction form
    111,571.58/167,306.34 = 66,613.34/x
  3. Step 3: Cross multiply
    111,571.58x = 167,306.34 × 66,613.34
  4. Step 4: Simplify right side
    111,571.58x = 11,144,834,110.58
  5. Step 5: Solve for x
    x = 11,144,834,110.58/111,571.58
  6. Step 6: Final answer
    x = 99,889.54

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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.