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Finding the Fourth Proportional to 111,577.47, 167,358.11 and 36,696.75

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Solution

The fourth proportional to 111,577.47, 167,358.11 and 36,696.75 is: 55,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,577.47 : 167,358.11 = 36,696.75 : x
  2. Step 2: Convert to fraction form
    111,577.47/167,358.11 = 36,696.75/x
  3. Step 3: Cross multiply
    111,577.47x = 167,358.11 × 36,696.75
  4. Step 4: Simplify right side
    111,577.47x = 6,141,498,539.66
  5. Step 5: Solve for x
    x = 6,141,498,539.66/111,577.47
  6. Step 6: Final answer
    x = 55,042.46

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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.