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Finding the Fourth Proportional to 111,810.80, 167,727.12 and 41,673.72

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Solution

The fourth proportional to 111,810.80, 167,727.12 and 41,673.72 is: 62,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,810.80 : 167,727.12 = 41,673.72 : x
  2. Step 2: Convert to fraction form
    111,810.80/167,727.12 = 41,673.72/x
  3. Step 3: Cross multiply
    111,810.80x = 167,727.12 × 41,673.72
  4. Step 4: Simplify right side
    111,810.80x = 6,989,813,035.29
  5. Step 5: Solve for x
    x = 6,989,813,035.29/111,810.80
  6. Step 6: Final answer
    x = 62,514.65

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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.