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Finding the Fourth Proportional to 68,270.57, 102,331.88 and 34,944.93

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Solution

The fourth proportional to 68,270.57, 102,331.88 and 34,944.93 is: 52,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,270.57 : 102,331.88 = 34,944.93 : x
  2. Step 2: Convert to fraction form
    68,270.57/102,331.88 = 34,944.93/x
  3. Step 3: Cross multiply
    68,270.57x = 102,331.88 × 34,944.93
  4. Step 4: Simplify right side
    68,270.57x = 3,575,980,208.64
  5. Step 5: Solve for x
    x = 3,575,980,208.64/68,270.57
  6. Step 6: Final answer
    x = 52,379.53

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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.