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Finding the Fourth Proportional to 201,722.70, 302,574.32 and 49,919.16

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Solution

The fourth proportional to 201,722.70, 302,574.32 and 49,919.16 is: 74,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,722.70 : 302,574.32 = 49,919.16 : x
  2. Step 2: Convert to fraction form
    201,722.70/302,574.32 = 49,919.16/x
  3. Step 3: Cross multiply
    201,722.70x = 302,574.32 × 49,919.16
  4. Step 4: Simplify right side
    201,722.70x = 15,104,255,891.97
  5. Step 5: Solve for x
    x = 15,104,255,891.97/201,722.70
  6. Step 6: Final answer
    x = 74,876.33

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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.