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Finding the Fourth Proportional to 68,733.90, 96,020.10 and 68,733.90

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Solution

The fourth proportional to 68,733.90, 96,020.10 and 68,733.90 is: 96,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.90 : 96,020.10 = 68,733.90 : x
  2. Step 2: Convert to fraction form
    68,733.90/96,020.10 = 68,733.90/x
  3. Step 3: Cross multiply
    68,733.90x = 96,020.10 × 68,733.90
  4. Step 4: Simplify right side
    68,733.90x = 6,599,835,951.39
  5. Step 5: Solve for x
    x = 6,599,835,951.39/68,733.90
  6. Step 6: Final answer
    x = 96,020.10

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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.