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Finding the Fourth Proportional to 263,652.55, 363,814.49 and 147,344.54

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Solution

The fourth proportional to 263,652.55, 363,814.49 and 147,344.54 is: 203,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,652.55 : 363,814.49 = 147,344.54 : x
  2. Step 2: Convert to fraction form
    263,652.55/363,814.49 = 147,344.54/x
  3. Step 3: Cross multiply
    263,652.55x = 363,814.49 × 147,344.54
  4. Step 4: Simplify right side
    263,652.55x = 53,606,077,223.67
  5. Step 5: Solve for x
    x = 53,606,077,223.67/263,652.55
  6. Step 6: Final answer
    x = 203,320.92

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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.