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Finding the Fourth Proportional to 200,519.24, 300,828.98 and 141,470.24

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Solution

The fourth proportional to 200,519.24, 300,828.98 and 141,470.24 is: 212,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,519.24 : 300,828.98 = 141,470.24 : x
  2. Step 2: Convert to fraction form
    200,519.24/300,828.98 = 141,470.24/x
  3. Step 3: Cross multiply
    200,519.24x = 300,828.98 × 141,470.24
  4. Step 4: Simplify right side
    200,519.24x = 42,558,345,788.06
  5. Step 5: Solve for x
    x = 42,558,345,788.06/200,519.24
  6. Step 6: Final answer
    x = 212,240.71

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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.