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Finding the Fourth Proportional to 111,746.66, 167,640.61 and 36,871.98

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Solution

The fourth proportional to 111,746.66, 167,640.61 and 36,871.98 is: 55,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,746.66 : 167,640.61 = 36,871.98 : x
  2. Step 2: Convert to fraction form
    111,746.66/167,640.61 = 36,871.98/x
  3. Step 3: Cross multiply
    111,746.66x = 167,640.61 × 36,871.98
  4. Step 4: Simplify right side
    111,746.66x = 6,181,242,085.58
  5. Step 5: Solve for x
    x = 6,181,242,085.58/111,746.66
  6. Step 6: Final answer
    x = 55,314.78

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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.