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Finding the Fourth Proportional to 111,879.18, 167,821.02 and 41,744.52

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Solution

The fourth proportional to 111,879.18, 167,821.02 and 41,744.52 is: 62,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,879.18 : 167,821.02 = 41,744.52 : x
  2. Step 2: Convert to fraction form
    111,879.18/167,821.02 = 41,744.52/x
  3. Step 3: Cross multiply
    111,879.18x = 167,821.02 × 41,744.52
  4. Step 4: Simplify right side
    111,879.18x = 7,005,607,925.81
  5. Step 5: Solve for x
    x = 7,005,607,925.81/111,879.18
  6. Step 6: Final answer
    x = 62,617.62

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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.