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Finding the Fourth Proportional to 70,107.20, 105,177.54 and 23,360.48

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Solution

The fourth proportional to 70,107.20, 105,177.54 and 23,360.48 is: 35,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,107.20 : 105,177.54 = 23,360.48 : x
  2. Step 2: Convert to fraction form
    70,107.20/105,177.54 = 23,360.48/x
  3. Step 3: Cross multiply
    70,107.20x = 105,177.54 × 23,360.48
  4. Step 4: Simplify right side
    70,107.20x = 2,456,997,819.62
  5. Step 5: Solve for x
    x = 2,456,997,819.62/70,107.20
  6. Step 6: Final answer
    x = 35,046.30

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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.