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Finding the Fourth Proportional to 111,661.65, 167,456.47 and 36,763.96

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Solution

The fourth proportional to 111,661.65, 167,456.47 and 36,763.96 is: 55,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,661.65 : 167,456.47 = 36,763.96 : x
  2. Step 2: Convert to fraction form
    111,661.65/167,456.47 = 36,763.96/x
  3. Step 3: Cross multiply
    111,661.65x = 167,456.47 × 36,763.96
  4. Step 4: Simplify right side
    111,661.65x = 6,156,362,127.54
  5. Step 5: Solve for x
    x = 6,156,362,127.54/111,661.65
  6. Step 6: Final answer
    x = 55,134.08

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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.