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Finding the Fourth Proportional to 111,667.26, 167,502.10 and 28,561.26

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Solution

The fourth proportional to 111,667.26, 167,502.10 and 28,561.26 is: 42,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,667.26 : 167,502.10 = 28,561.26 : x
  2. Step 2: Convert to fraction form
    111,667.26/167,502.10 = 28,561.26/x
  3. Step 3: Cross multiply
    111,667.26x = 167,502.10 × 28,561.26
  4. Step 4: Simplify right side
    111,667.26x = 4,784,071,028.65
  5. Step 5: Solve for x
    x = 4,784,071,028.65/111,667.26
  6. Step 6: Final answer
    x = 42,842.20

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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.