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Finding the Fourth Proportional to 68,316.70, 101,788.17 and 64,496.98

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Solution

The fourth proportional to 68,316.70, 101,788.17 and 64,496.98 is: 96,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.70 : 101,788.17 = 64,496.98 : x
  2. Step 2: Convert to fraction form
    68,316.70/101,788.17 = 64,496.98/x
  3. Step 3: Cross multiply
    68,316.70x = 101,788.17 × 64,496.98
  4. Step 4: Simplify right side
    68,316.70x = 6,565,028,733.30
  5. Step 5: Solve for x
    x = 6,565,028,733.30/68,316.70
  6. Step 6: Final answer
    x = 96,096.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.