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Finding the Fourth Proportional to 111,706.61, 167,679.27 and 45,190.22

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Solution

The fourth proportional to 111,706.61, 167,679.27 and 45,190.22 is: 67,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,706.61 : 167,679.27 = 45,190.22 : x
  2. Step 2: Convert to fraction form
    111,706.61/167,679.27 = 45,190.22/x
  3. Step 3: Cross multiply
    111,706.61x = 167,679.27 × 45,190.22
  4. Step 4: Simplify right side
    111,706.61x = 7,577,462,262.34
  5. Step 5: Solve for x
    x = 7,577,462,262.34/111,706.61
  6. Step 6: Final answer
    x = 67,833.61

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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.