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Finding the Fourth Proportional to 273,456.96, 377,345.99 and 171,449.81

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Solution

The fourth proportional to 273,456.96, 377,345.99 and 171,449.81 is: 236,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,456.96 : 377,345.99 = 171,449.81 : x
  2. Step 2: Convert to fraction form
    273,456.96/377,345.99 = 171,449.81/x
  3. Step 3: Cross multiply
    273,456.96x = 377,345.99 × 171,449.81
  4. Step 4: Simplify right side
    273,456.96x = 64,695,900,369.28
  5. Step 5: Solve for x
    x = 64,695,900,369.28/273,456.96
  6. Step 6: Final answer
    x = 236,585.31

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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.