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Finding the Fourth Proportional to 251,753.74, 347,379.50 and 144,304

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Solution

The fourth proportional to 251,753.74, 347,379.50 and 144,304 is: 199,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,753.74 : 347,379.50 = 144,304 : x
  2. Step 2: Convert to fraction form
    251,753.74/347,379.50 = 144,304/x
  3. Step 3: Cross multiply
    251,753.74x = 347,379.50 × 144,304
  4. Step 4: Simplify right side
    251,753.74x = 50,128,251,368
  5. Step 5: Solve for x
    x = 50,128,251,368/251,753.74
  6. Step 6: Final answer
    x = 199,116.21

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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.