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Finding the Fourth Proportional to 242,970.36, 364,464.08 and 65,481.61

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Solution

The fourth proportional to 242,970.36, 364,464.08 and 65,481.61 is: 98,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,970.36 : 364,464.08 = 65,481.61 : x
  2. Step 2: Convert to fraction form
    242,970.36/364,464.08 = 65,481.61/x
  3. Step 3: Cross multiply
    242,970.36x = 364,464.08 × 65,481.61
  4. Step 4: Simplify right side
    242,970.36x = 23,865,694,745.57
  5. Step 5: Solve for x
    x = 23,865,694,745.57/242,970.36
  6. Step 6: Final answer
    x = 98,224.72

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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.