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Finding the Fourth Proportional to 173,046.40, 259,569.60 and 161,382.40

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Solution

The fourth proportional to 173,046.40, 259,569.60 and 161,382.40 is: 242,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,046.40 : 259,569.60 = 161,382.40 : x
  2. Step 2: Convert to fraction form
    173,046.40/259,569.60 = 161,382.40/x
  3. Step 3: Cross multiply
    173,046.40x = 259,569.60 × 161,382.40
  4. Step 4: Simplify right side
    173,046.40x = 41,889,965,015.04
  5. Step 5: Solve for x
    x = 41,889,965,015.04/173,046.40
  6. Step 6: Final answer
    x = 242,073.60

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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.