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Finding the Fourth Proportional to 264,889.38, 365,551.90 and 144,031.48

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Solution

The fourth proportional to 264,889.38, 365,551.90 and 144,031.48 is: 198,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,889.38 : 365,551.90 = 144,031.48 : x
  2. Step 2: Convert to fraction form
    264,889.38/365,551.90 = 144,031.48/x
  3. Step 3: Cross multiply
    264,889.38x = 365,551.90 × 144,031.48
  4. Step 4: Simplify right side
    264,889.38x = 52,650,981,173.81
  5. Step 5: Solve for x
    x = 52,650,981,173.81/264,889.38
  6. Step 6: Final answer
    x = 198,765.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.