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Finding the Fourth Proportional to 70,206.48, 105,319.67 and 22,806.41

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Solution

The fourth proportional to 70,206.48, 105,319.67 and 22,806.41 is: 34,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,206.48 : 105,319.67 = 22,806.41 : x
  2. Step 2: Convert to fraction form
    70,206.48/105,319.67 = 22,806.41/x
  3. Step 3: Cross multiply
    70,206.48x = 105,319.67 × 22,806.41
  4. Step 4: Simplify right side
    70,206.48x = 2,401,962,934.45
  5. Step 5: Solve for x
    x = 2,401,962,934.45/70,206.48
  6. Step 6: Final answer
    x = 34,212.84

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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.