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Finding the Fourth Proportional to 70,170.57, 105,262.94 and 22,783.68

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Solution

The fourth proportional to 70,170.57, 105,262.94 and 22,783.68 is: 34,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,170.57 : 105,262.94 = 22,783.68 : x
  2. Step 2: Convert to fraction form
    70,170.57/105,262.94 = 22,783.68/x
  3. Step 3: Cross multiply
    70,170.57x = 105,262.94 × 22,783.68
  4. Step 4: Simplify right side
    70,170.57x = 2,398,277,197.78
  5. Step 5: Solve for x
    x = 2,398,277,197.78/70,170.57
  6. Step 6: Final answer
    x = 34,177.82

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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.