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Finding the Fourth Proportional to 111,930.90, 167,896.35 and 41,801.10

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Solution

The fourth proportional to 111,930.90, 167,896.35 and 41,801.10 is: 62,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,930.90 : 167,896.35 = 41,801.10 : x
  2. Step 2: Convert to fraction form
    111,930.90/167,896.35 = 41,801.10/x
  3. Step 3: Cross multiply
    111,930.90x = 167,896.35 × 41,801.10
  4. Step 4: Simplify right side
    111,930.90x = 7,018,252,115.99
  5. Step 5: Solve for x
    x = 7,018,252,115.99/111,930.90
  6. Step 6: Final answer
    x = 62,701.65

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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.