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Finding the Fourth Proportional to 68,727.90, 96,357.30 and 68,727.90

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Solution

The fourth proportional to 68,727.90, 96,357.30 and 68,727.90 is: 96,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,727.90 : 96,357.30 = 68,727.90 : x
  2. Step 2: Convert to fraction form
    68,727.90/96,357.30 = 68,727.90/x
  3. Step 3: Cross multiply
    68,727.90x = 96,357.30 × 68,727.90
  4. Step 4: Simplify right side
    68,727.90x = 6,622,434,878.67
  5. Step 5: Solve for x
    x = 6,622,434,878.67/68,727.90
  6. Step 6: Final answer
    x = 96,357.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.