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Finding the Fourth Proportional to 111,810.77, 167,680.58 and 36,916.97

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Solution

The fourth proportional to 111,810.77, 167,680.58 and 36,916.97 is: 55,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,810.77 : 167,680.58 = 36,916.97 : x
  2. Step 2: Convert to fraction form
    111,810.77/167,680.58 = 36,916.97/x
  3. Step 3: Cross multiply
    111,810.77x = 167,680.58 × 36,916.97
  4. Step 4: Simplify right side
    111,810.77x = 6,190,257,918.45
  5. Step 5: Solve for x
    x = 6,190,257,918.45/111,810.77
  6. Step 6: Final answer
    x = 55,363.70

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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.