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Finding the Fourth Proportional to 237,765.72, 354,171.30 and 225,143.94

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Solution

The fourth proportional to 237,765.72, 354,171.30 and 225,143.94 is: 335,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,765.72 : 354,171.30 = 225,143.94 : x
  2. Step 2: Convert to fraction form
    237,765.72/354,171.30 = 225,143.94/x
  3. Step 3: Cross multiply
    237,765.72x = 354,171.30 × 225,143.94
  4. Step 4: Simplify right side
    237,765.72x = 79,739,521,916.92
  5. Step 5: Solve for x
    x = 79,739,521,916.92/237,765.72
  6. Step 6: Final answer
    x = 335,370.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.