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Finding the Fourth Proportional to 324,759.68, 487,188.12 and 100,101.44

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Solution

The fourth proportional to 324,759.68, 487,188.12 and 100,101.44 is: 150,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,759.68 : 487,188.12 = 100,101.44 : x
  2. Step 2: Convert to fraction form
    324,759.68/487,188.12 = 100,101.44/x
  3. Step 3: Cross multiply
    324,759.68x = 487,188.12 × 100,101.44
  4. Step 4: Simplify right side
    324,759.68x = 48,768,232,362.89
  5. Step 5: Solve for x
    x = 48,768,232,362.89/324,759.68
  6. Step 6: Final answer
    x = 150,167.14

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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.