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Finding the Fourth Proportional to 250,687.40, 376,160.34 and 166,505.82

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Solution

The fourth proportional to 250,687.40, 376,160.34 and 166,505.82 is: 249,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,687.40 : 376,160.34 = 166,505.82 : x
  2. Step 2: Convert to fraction form
    250,687.40/376,160.34 = 166,505.82/x
  3. Step 3: Cross multiply
    250,687.40x = 376,160.34 × 166,505.82
  4. Step 4: Simplify right side
    250,687.40x = 62,632,885,863.18
  5. Step 5: Solve for x
    x = 62,632,885,863.18/250,687.40
  6. Step 6: Final answer
    x = 249,844.57

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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.