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Finding the Fourth Proportional to 68,932.02, 95,119.47 and 38,710.47

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Solution

The fourth proportional to 68,932.02, 95,119.47 and 38,710.47 is: 53,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,932.02 : 95,119.47 = 38,710.47 : x
  2. Step 2: Convert to fraction form
    68,932.02/95,119.47 = 38,710.47/x
  3. Step 3: Cross multiply
    68,932.02x = 95,119.47 × 38,710.47
  4. Step 4: Simplify right side
    68,932.02x = 3,682,119,389.85
  5. Step 5: Solve for x
    x = 3,682,119,389.85/68,932.02
  6. Step 6: Final answer
    x = 53,416.68

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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.