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Finding the Fourth Proportional to 104,697.67, 144,458.36 and 61,083.42

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Solution

The fourth proportional to 104,697.67, 144,458.36 and 61,083.42 is: 84,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,697.67 : 144,458.36 = 61,083.42 : x
  2. Step 2: Convert to fraction form
    104,697.67/144,458.36 = 61,083.42/x
  3. Step 3: Cross multiply
    104,697.67x = 144,458.36 × 61,083.42
  4. Step 4: Simplify right side
    104,697.67x = 8,824,010,757.72
  5. Step 5: Solve for x
    x = 8,824,010,757.72/104,697.67
  6. Step 6: Final answer
    x = 84,280.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.