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Finding the Fourth Proportional to 203,351.44, 304,463.76 and 153,279.76

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Solution

The fourth proportional to 203,351.44, 304,463.76 and 153,279.76 is: 229,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,351.44 : 304,463.76 = 153,279.76 : x
  2. Step 2: Convert to fraction form
    203,351.44/304,463.76 = 153,279.76/x
  3. Step 3: Cross multiply
    203,351.44x = 304,463.76 × 153,279.76
  4. Step 4: Simplify right side
    203,351.44x = 46,668,132,061.50
  5. Step 5: Solve for x
    x = 46,668,132,061.50/203,351.44
  6. Step 6: Final answer
    x = 229,494.97

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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.