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Finding the Fourth Proportional to 251,135.40, 376,703.10 and 167,008.80

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Solution

The fourth proportional to 251,135.40, 376,703.10 and 167,008.80 is: 250,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,135.40 : 376,703.10 = 167,008.80 : x
  2. Step 2: Convert to fraction form
    251,135.40/376,703.10 = 167,008.80/x
  3. Step 3: Cross multiply
    251,135.40x = 376,703.10 × 167,008.80
  4. Step 4: Simplify right side
    251,135.40x = 62,912,732,687.28
  5. Step 5: Solve for x
    x = 62,912,732,687.28/251,135.40
  6. Step 6: Final answer
    x = 250,513.20

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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.