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Finding the Fourth Proportional to 68,608.77, 102,913.04 and 35,338.35

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Solution

The fourth proportional to 68,608.77, 102,913.04 and 35,338.35 is: 53,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608.77 : 102,913.04 = 35,338.35 : x
  2. Step 2: Convert to fraction form
    68,608.77/102,913.04 = 35,338.35/x
  3. Step 3: Cross multiply
    68,608.77x = 102,913.04 × 35,338.35
  4. Step 4: Simplify right side
    68,608.77x = 3,636,777,261.61
  5. Step 5: Solve for x
    x = 3,636,777,261.61/68,608.77
  6. Step 6: Final answer
    x = 53,007.47

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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.