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Finding the Fourth Proportional to 111,435.42, 167,177.73 and 41,314.74

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Solution

The fourth proportional to 111,435.42, 167,177.73 and 41,314.74 is: 61,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,435.42 : 167,177.73 = 41,314.74 : x
  2. Step 2: Convert to fraction form
    111,435.42/167,177.73 = 41,314.74/x
  3. Step 3: Cross multiply
    111,435.42x = 167,177.73 × 41,314.74
  4. Step 4: Simplify right side
    111,435.42x = 6,906,904,448.74
  5. Step 5: Solve for x
    x = 6,906,904,448.74/111,435.42
  6. Step 6: Final answer
    x = 61,981.23

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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.