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Finding the Fourth Proportional to 218,475.22, 327,730.51 and 60,703.69

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Solution

The fourth proportional to 218,475.22, 327,730.51 and 60,703.69 is: 91,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,475.22 : 327,730.51 = 60,703.69 : x
  2. Step 2: Convert to fraction form
    218,475.22/327,730.51 = 60,703.69/x
  3. Step 3: Cross multiply
    218,475.22x = 327,730.51 × 60,703.69
  4. Step 4: Simplify right side
    218,475.22x = 19,894,449,643.93
  5. Step 5: Solve for x
    x = 19,894,449,643.93/218,475.22
  6. Step 6: Final answer
    x = 91,060.44

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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.