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Finding the Fourth Proportional to 79,422.19, 119,133.33 and 49,860.79

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Solution

The fourth proportional to 79,422.19, 119,133.33 and 49,860.79 is: 74,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.19 : 119,133.33 = 49,860.79 : x
  2. Step 2: Convert to fraction form
    79,422.19/119,133.33 = 49,860.79/x
  3. Step 3: Cross multiply
    79,422.19x = 119,133.33 × 49,860.79
  4. Step 4: Simplify right side
    79,422.19x = 5,940,081,949.13
  5. Step 5: Solve for x
    x = 5,940,081,949.13/79,422.19
  6. Step 6: Final answer
    x = 74,791.21

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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.