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Finding the Fourth Proportional to 111,679.98, 167,551.23 and 45,166.80

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Solution

The fourth proportional to 111,679.98, 167,551.23 and 45,166.80 is: 67,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,679.98 : 167,551.23 = 45,166.80 : x
  2. Step 2: Convert to fraction form
    111,679.98/167,551.23 = 45,166.80/x
  3. Step 3: Cross multiply
    111,679.98x = 167,551.23 × 45,166.80
  4. Step 4: Simplify right side
    111,679.98x = 7,567,752,895.16
  5. Step 5: Solve for x
    x = 7,567,752,895.16/111,679.98
  6. Step 6: Final answer
    x = 67,762.84

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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.