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Finding the Fourth Proportional to 67,260.16, 100,902.54 and 27,795.88

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Solution

The fourth proportional to 67,260.16, 100,902.54 and 27,795.88 is: 41,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,260.16 : 100,902.54 = 27,795.88 : x
  2. Step 2: Convert to fraction form
    67,260.16/100,902.54 = 27,795.88/x
  3. Step 3: Cross multiply
    67,260.16x = 100,902.54 × 27,795.88
  4. Step 4: Simplify right side
    67,260.16x = 2,804,674,893.54
  5. Step 5: Solve for x
    x = 2,804,674,893.54/67,260.16
  6. Step 6: Final answer
    x = 41,698.90

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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.