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Finding the Fourth Proportional to 363,711.42, 545,652.99 and 114,393.42

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Solution

The fourth proportional to 363,711.42, 545,652.99 and 114,393.42 is: 171,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,711.42 : 545,652.99 = 114,393.42 : x
  2. Step 2: Convert to fraction form
    363,711.42/545,652.99 = 114,393.42/x
  3. Step 3: Cross multiply
    363,711.42x = 545,652.99 × 114,393.42
  4. Step 4: Simplify right side
    363,711.42x = 62,419,111,659.33
  5. Step 5: Solve for x
    x = 62,419,111,659.33/363,711.42
  6. Step 6: Final answer
    x = 171,617.13

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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.