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Finding the Fourth Proportional to 68,262.78, 94,203.72 and 37,637.22

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Solution

The fourth proportional to 68,262.78, 94,203.72 and 37,637.22 is: 51,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,262.78 : 94,203.72 = 37,637.22 : x
  2. Step 2: Convert to fraction form
    68,262.78/94,203.72 = 37,637.22/x
  3. Step 3: Cross multiply
    68,262.78x = 94,203.72 × 37,637.22
  4. Step 4: Simplify right side
    68,262.78x = 3,545,566,134.46
  5. Step 5: Solve for x
    x = 3,545,566,134.46/68,262.78
  6. Step 6: Final answer
    x = 51,939.96

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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.