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Finding the Fourth Proportional to 111,706.22, 167,678.71 and 45,189.83

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Solution

The fourth proportional to 111,706.22, 167,678.71 and 45,189.83 is: 67,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,706.22 : 167,678.71 = 45,189.83 : x
  2. Step 2: Convert to fraction form
    111,706.22/167,678.71 = 45,189.83/x
  3. Step 3: Cross multiply
    111,706.22x = 167,678.71 × 45,189.83
  4. Step 4: Simplify right side
    111,706.22x = 7,577,372,705.74
  5. Step 5: Solve for x
    x = 7,577,372,705.74/111,706.22
  6. Step 6: Final answer
    x = 67,833.04

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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.