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Finding the Fourth Proportional to 61,102.62, 84,297.24 and 35,605.17

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Solution

The fourth proportional to 61,102.62, 84,297.24 and 35,605.17 is: 49,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,102.62 : 84,297.24 = 35,605.17 : x
  2. Step 2: Convert to fraction form
    61,102.62/84,297.24 = 35,605.17/x
  3. Step 3: Cross multiply
    61,102.62x = 84,297.24 × 35,605.17
  4. Step 4: Simplify right side
    61,102.62x = 3,001,417,560.73
  5. Step 5: Solve for x
    x = 3,001,417,560.73/61,102.62
  6. Step 6: Final answer
    x = 49,120.93

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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.