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Finding the Fourth Proportional to 68,950.93, 95,108.43 and 57,435.97

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Solution

The fourth proportional to 68,950.93, 95,108.43 and 57,435.97 is: 79,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,950.93 : 95,108.43 = 57,435.97 : x
  2. Step 2: Convert to fraction form
    68,950.93/95,108.43 = 57,435.97/x
  3. Step 3: Cross multiply
    68,950.93x = 95,108.43 × 57,435.97
  4. Step 4: Simplify right side
    68,950.93x = 5,462,644,932.23
  5. Step 5: Solve for x
    x = 5,462,644,932.23/68,950.93
  6. Step 6: Final answer
    x = 79,225.11

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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.