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Finding the Fourth Proportional to 363,486.52, 545,251.56 and 114,168.52

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Solution

The fourth proportional to 363,486.52, 545,251.56 and 114,168.52 is: 171,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,486.52 : 545,251.56 = 114,168.52 : x
  2. Step 2: Convert to fraction form
    363,486.52/545,251.56 = 114,168.52/x
  3. Step 3: Cross multiply
    363,486.52x = 545,251.56 × 114,168.52
  4. Step 4: Simplify right side
    363,486.52x = 62,250,563,632.89
  5. Step 5: Solve for x
    x = 62,250,563,632.89/363,486.52
  6. Step 6: Final answer
    x = 171,259.62

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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.