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Finding the Fourth Proportional to 68,957.77, 103,455.11 and 37,360.39

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Solution

The fourth proportional to 68,957.77, 103,455.11 and 37,360.39 is: 56,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,957.77 : 103,455.11 = 37,360.39 : x
  2. Step 2: Convert to fraction form
    68,957.77/103,455.11 = 37,360.39/x
  3. Step 3: Cross multiply
    68,957.77x = 103,455.11 × 37,360.39
  4. Step 4: Simplify right side
    68,957.77x = 3,865,123,257.09
  5. Step 5: Solve for x
    x = 3,865,123,257.09/68,957.77
  6. Step 6: Final answer
    x = 56,050.58

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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.