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Finding the Fourth Proportional to 250,866.96, 376,103.16 and 171,741.36

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Solution

The fourth proportional to 250,866.96, 376,103.16 and 171,741.36 is: 257,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,866.96 : 376,103.16 = 171,741.36 : x
  2. Step 2: Convert to fraction form
    250,866.96/376,103.16 = 171,741.36/x
  3. Step 3: Cross multiply
    250,866.96x = 376,103.16 × 171,741.36
  4. Step 4: Simplify right side
    250,866.96x = 64,592,468,198.70
  5. Step 5: Solve for x
    x = 64,592,468,198.70/250,866.96
  6. Step 6: Final answer
    x = 257,476.98

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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.