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Finding the Fourth Proportional to 550,143.08, 825,126.03 and 150,690.42

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Solution

The fourth proportional to 550,143.08, 825,126.03 and 150,690.42 is: 226,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,143.08 : 825,126.03 = 150,690.42 : x
  2. Step 2: Convert to fraction form
    550,143.08/825,126.03 = 150,690.42/x
  3. Step 3: Cross multiply
    550,143.08x = 825,126.03 × 150,690.42
  4. Step 4: Simplify right side
    550,143.08x = 124,338,588,013.63
  5. Step 5: Solve for x
    x = 124,338,588,013.63/550,143.08
  6. Step 6: Final answer
    x = 226,011.37

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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.