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Finding the Fourth Proportional to 68,752.08, 103,041.90 and 37,160.82

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Solution

The fourth proportional to 68,752.08, 103,041.90 and 37,160.82 is: 55,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752.08 : 103,041.90 = 37,160.82 : x
  2. Step 2: Convert to fraction form
    68,752.08/103,041.90 = 37,160.82/x
  3. Step 3: Cross multiply
    68,752.08x = 103,041.90 × 37,160.82
  4. Step 4: Simplify right side
    68,752.08x = 3,829,121,498.36
  5. Step 5: Solve for x
    x = 3,829,121,498.36/68,752.08
  6. Step 6: Final answer
    x = 55,694.63

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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.