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Finding the Fourth Proportional to 272,305.22, 375,786.02 and 151,446.56

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Solution

The fourth proportional to 272,305.22, 375,786.02 and 151,446.56 is: 208,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,305.22 : 375,786.02 = 151,446.56 : x
  2. Step 2: Convert to fraction form
    272,305.22/375,786.02 = 151,446.56/x
  3. Step 3: Cross multiply
    272,305.22x = 375,786.02 × 151,446.56
  4. Step 4: Simplify right side
    272,305.22x = 56,911,498,524.78
  5. Step 5: Solve for x
    x = 56,911,498,524.78/272,305.22
  6. Step 6: Final answer
    x = 208,998.93

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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.