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Finding the Fourth Proportional to 273,717.78, 377,726.73 and 159,061.20

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Solution

The fourth proportional to 273,717.78, 377,726.73 and 159,061.20 is: 219,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,717.78 : 377,726.73 = 159,061.20 : x
  2. Step 2: Convert to fraction form
    273,717.78/377,726.73 = 159,061.20/x
  3. Step 3: Cross multiply
    273,717.78x = 377,726.73 × 159,061.20
  4. Step 4: Simplify right side
    273,717.78x = 60,081,666,945.88
  5. Step 5: Solve for x
    x = 60,081,666,945.88/273,717.78
  6. Step 6: Final answer
    x = 219,502.24

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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.