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Finding the Fourth Proportional to 74,054.92, 111,104.70 and 34,634.92

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Solution

The fourth proportional to 74,054.92, 111,104.70 and 34,634.92 is: 51,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,054.92 : 111,104.70 = 34,634.92 : x
  2. Step 2: Convert to fraction form
    74,054.92/111,104.70 = 34,634.92/x
  3. Step 3: Cross multiply
    74,054.92x = 111,104.70 × 34,634.92
  4. Step 4: Simplify right side
    74,054.92x = 3,848,102,396.12
  5. Step 5: Solve for x
    x = 3,848,102,396.12/74,054.92
  6. Step 6: Final answer
    x = 51,962.82

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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.