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Finding the Fourth Proportional to 325,066.52, 487,793.52 and 145,137.96

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Solution

The fourth proportional to 325,066.52, 487,793.52 and 145,137.96 is: 217,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,066.52 : 487,793.52 = 145,137.96 : x
  2. Step 2: Convert to fraction form
    325,066.52/487,793.52 = 145,137.96/x
  3. Step 3: Cross multiply
    325,066.52x = 487,793.52 × 145,137.96
  4. Step 4: Simplify right side
    325,066.52x = 70,797,356,394.02
  5. Step 5: Solve for x
    x = 70,797,356,394.02/325,066.52
  6. Step 6: Final answer
    x = 217,793.44

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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.