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Finding the Fourth Proportional to 111,798.60, 167,640.30 and 41,641.80

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Solution

The fourth proportional to 111,798.60, 167,640.30 and 41,641.80 is: 62,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,798.60 : 167,640.30 = 41,641.80 : x
  2. Step 2: Convert to fraction form
    111,798.60/167,640.30 = 41,641.80/x
  3. Step 3: Cross multiply
    111,798.60x = 167,640.30 × 41,641.80
  4. Step 4: Simplify right side
    111,798.60x = 6,980,843,844.54
  5. Step 5: Solve for x
    x = 6,980,843,844.54/111,798.60
  6. Step 6: Final answer
    x = 62,441.25

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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.