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Finding the Fourth Proportional to 164,963.08, 247,481.02 and 70,188.20

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Solution

The fourth proportional to 164,963.08, 247,481.02 and 70,188.20 is: 105,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,963.08 : 247,481.02 = 70,188.20 : x
  2. Step 2: Convert to fraction form
    164,963.08/247,481.02 = 70,188.20/x
  3. Step 3: Cross multiply
    164,963.08x = 247,481.02 × 70,188.20
  4. Step 4: Simplify right side
    164,963.08x = 17,370,247,327.96
  5. Step 5: Solve for x
    x = 17,370,247,327.96/164,963.08
  6. Step 6: Final answer
    x = 105,297.79

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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.