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Finding the Fourth Proportional to 235,369.92, 324,735.84 and 145,997.76

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Solution

The fourth proportional to 235,369.92, 324,735.84 and 145,997.76 is: 201,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,369.92 : 324,735.84 = 145,997.76 : x
  2. Step 2: Convert to fraction form
    235,369.92/324,735.84 = 145,997.76/x
  3. Step 3: Cross multiply
    235,369.92x = 324,735.84 × 145,997.76
  4. Step 4: Simplify right side
    235,369.92x = 47,410,705,231.72
  5. Step 5: Solve for x
    x = 47,410,705,231.72/235,369.92
  6. Step 6: Final answer
    x = 201,430.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.