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Finding the Fourth Proportional to 69,930.50, 96,504.09 and 38,099.39

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Solution

The fourth proportional to 69,930.50, 96,504.09 and 38,099.39 is: 52,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930.50 : 96,504.09 = 38,099.39 : x
  2. Step 2: Convert to fraction form
    69,930.50/96,504.09 = 38,099.39/x
  3. Step 3: Cross multiply
    69,930.50x = 96,504.09 × 38,099.39
  4. Step 4: Simplify right side
    69,930.50x = 3,676,746,961.51
  5. Step 5: Solve for x
    x = 3,676,746,961.51/69,930.50
  6. Step 6: Final answer
    x = 52,577.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.