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Finding the Fourth Proportional to 273,005.29, 376,979.52 and 171,201.25

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Solution

The fourth proportional to 273,005.29, 376,979.52 and 171,201.25 is: 236,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,005.29 : 376,979.52 = 171,201.25 : x
  2. Step 2: Convert to fraction form
    273,005.29/376,979.52 = 171,201.25/x
  3. Step 3: Cross multiply
    273,005.29x = 376,979.52 × 171,201.25
  4. Step 4: Simplify right side
    273,005.29x = 64,539,365,048.40
  5. Step 5: Solve for x
    x = 64,539,365,048.40/273,005.29
  6. Step 6: Final answer
    x = 236,403.35

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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.