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Finding the Fourth Proportional to 218,659.50, 327,989.64 and 60,887.94

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Solution

The fourth proportional to 218,659.50, 327,989.64 and 60,887.94 is: 91,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,659.50 : 327,989.64 = 60,887.94 : x
  2. Step 2: Convert to fraction form
    218,659.50/327,989.64 = 60,887.94/x
  3. Step 3: Cross multiply
    218,659.50x = 327,989.64 × 60,887.94
  4. Step 4: Simplify right side
    218,659.50x = 19,970,613,520.94
  5. Step 5: Solve for x
    x = 19,970,613,520.94/218,659.50
  6. Step 6: Final answer
    x = 91,332.02

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1.5x scale

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.