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Finding the Fourth Proportional to 164,793.80, 247,189.97 and 70,009.44

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Solution

The fourth proportional to 164,793.80, 247,189.97 and 70,009.44 is: 105,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,793.80 : 247,189.97 = 70,009.44 : x
  2. Step 2: Convert to fraction form
    164,793.80/247,189.97 = 70,009.44/x
  3. Step 3: Cross multiply
    164,793.80x = 247,189.97 × 70,009.44
  4. Step 4: Simplify right side
    164,793.80x = 17,305,631,373.32
  5. Step 5: Solve for x
    x = 17,305,631,373.32/164,793.80
  6. Step 6: Final answer
    x = 105,013.85

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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.