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Finding the Fourth Proportional to 69,168.39, 103,795.56 and 62,512.92

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Solution

The fourth proportional to 69,168.39, 103,795.56 and 62,512.92 is: 93,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,168.39 : 103,795.56 = 62,512.92 : x
  2. Step 2: Convert to fraction form
    69,168.39/103,795.56 = 62,512.92/x
  3. Step 3: Cross multiply
    69,168.39x = 103,795.56 × 62,512.92
  4. Step 4: Simplify right side
    69,168.39x = 6,488,563,538.64
  5. Step 5: Solve for x
    x = 6,488,563,538.64/69,168.39
  6. Step 6: Final answer
    x = 93,808.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.