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Finding the Fourth Proportional to 214,682.72, 322,061.13 and 72,529.00

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Solution

The fourth proportional to 214,682.72, 322,061.13 and 72,529.00 is: 108,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,682.72 : 322,061.13 = 72,529.00 : x
  2. Step 2: Convert to fraction form
    214,682.72/322,061.13 = 72,529.00/x
  3. Step 3: Cross multiply
    214,682.72x = 322,061.13 × 72,529.00
  4. Step 4: Simplify right side
    214,682.72x = 23,358,770,892.62
  5. Step 5: Solve for x
    x = 23,358,770,892.62/214,682.72
  6. Step 6: Final answer
    x = 108,806.02

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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.