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Finding the Fourth Proportional to 70,969.77, 106,191 and 44,550.81

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Solution

The fourth proportional to 70,969.77, 106,191 and 44,550.81 is: 66,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,969.77 : 106,191 = 44,550.81 : x
  2. Step 2: Convert to fraction form
    70,969.77/106,191 = 44,550.81/x
  3. Step 3: Cross multiply
    70,969.77x = 106,191 × 44,550.81
  4. Step 4: Simplify right side
    70,969.77x = 4,730,895,064.71
  5. Step 5: Solve for x
    x = 4,730,895,064.71/70,969.77
  6. Step 6: Final answer
    x = 66,660.71

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1.5x scale

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.