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Finding the Fourth Proportional to 324,855.06, 487,352.15 and 97,168.56

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Solution

The fourth proportional to 324,855.06, 487,352.15 and 97,168.56 is: 145,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,855.06 : 487,352.15 = 97,168.56 : x
  2. Step 2: Convert to fraction form
    324,855.06/487,352.15 = 97,168.56/x
  3. Step 3: Cross multiply
    324,855.06x = 487,352.15 × 97,168.56
  4. Step 4: Simplify right side
    324,855.06x = 47,355,306,142.56
  5. Step 5: Solve for x
    x = 47,355,306,142.56/324,855.06
  6. Step 6: Final answer
    x = 145,773.64

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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.