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Finding the Fourth Proportional to 112,240.28, 154,842.71 and 73,950.71

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Solution

The fourth proportional to 112,240.28, 154,842.71 and 73,950.71 is: 102,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.28 : 154,842.71 = 73,950.71 : x
  2. Step 2: Convert to fraction form
    112,240.28/154,842.71 = 73,950.71/x
  3. Step 3: Cross multiply
    112,240.28x = 154,842.71 × 73,950.71
  4. Step 4: Simplify right side
    112,240.28x = 11,450,727,198.86
  5. Step 5: Solve for x
    x = 11,450,727,198.86/112,240.28
  6. Step 6: Final answer
    x = 102,019.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.