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Finding the Fourth Proportional to 68,663.90, 96,267.70 and 68,663.90

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Solution

The fourth proportional to 68,663.90, 96,267.70 and 68,663.90 is: 96,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,663.90 : 96,267.70 = 68,663.90 : x
  2. Step 2: Convert to fraction form
    68,663.90/96,267.70 = 68,663.90/x
  3. Step 3: Cross multiply
    68,663.90x = 96,267.70 × 68,663.90
  4. Step 4: Simplify right side
    68,663.90x = 6,610,115,726.03
  5. Step 5: Solve for x
    x = 6,610,115,726.03/68,663.90
  6. Step 6: Final answer
    x = 96,267.70

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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.