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Finding the Fourth Proportional to 111,866.76, 167,760.18 and 36,973.08

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Solution

The fourth proportional to 111,866.76, 167,760.18 and 36,973.08 is: 55,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,866.76 : 167,760.18 = 36,973.08 : x
  2. Step 2: Convert to fraction form
    111,866.76/167,760.18 = 36,973.08/x
  3. Step 3: Cross multiply
    111,866.76x = 167,760.18 × 36,973.08
  4. Step 4: Simplify right side
    111,866.76x = 6,202,610,555.95
  5. Step 5: Solve for x
    x = 6,202,610,555.95/111,866.76
  6. Step 6: Final answer
    x = 55,446.41

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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.