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Finding the Fourth Proportional to 68,664.60, 96,337.80 and 68,664.60

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Solution

The fourth proportional to 68,664.60, 96,337.80 and 68,664.60 is: 96,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,664.60 : 96,337.80 = 68,664.60 : x
  2. Step 2: Convert to fraction form
    68,664.60/96,337.80 = 68,664.60/x
  3. Step 3: Cross multiply
    68,664.60x = 96,337.80 × 68,664.60
  4. Step 4: Simplify right side
    68,664.60x = 6,614,996,501.88
  5. Step 5: Solve for x
    x = 6,614,996,501.88/68,664.60
  6. Step 6: Final answer
    x = 96,337.80

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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.