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Finding the Fourth Proportional to 363,387.58, 545,104.41 and 114,079.42

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Solution

The fourth proportional to 363,387.58, 545,104.41 and 114,079.42 is: 171,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,387.58 : 545,104.41 = 114,079.42 : x
  2. Step 2: Convert to fraction form
    363,387.58/545,104.41 = 114,079.42/x
  3. Step 3: Cross multiply
    363,387.58x = 545,104.41 × 114,079.42
  4. Step 4: Simplify right side
    363,387.58x = 62,185,194,932.24
  5. Step 5: Solve for x
    x = 62,185,194,932.24/363,387.58
  6. Step 6: Final answer
    x = 171,126.36

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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.