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Finding the Fourth Proportional to 68,800.68, 103,230.24 and 37,599.48

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Solution

The fourth proportional to 68,800.68, 103,230.24 and 37,599.48 is: 56,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,800.68 : 103,230.24 = 37,599.48 : x
  2. Step 2: Convert to fraction form
    68,800.68/103,230.24 = 37,599.48/x
  3. Step 3: Cross multiply
    68,800.68x = 103,230.24 × 37,599.48
  4. Step 4: Simplify right side
    68,800.68x = 3,881,403,344.28
  5. Step 5: Solve for x
    x = 3,881,403,344.28/68,800.68
  6. Step 6: Final answer
    x = 56,415.19

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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.