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Finding the Fourth Proportional to 376,188.49, 564,368.87 and 162,991.88

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Solution

The fourth proportional to 376,188.49, 564,368.87 and 162,991.88 is: 244,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,188.49 : 564,368.87 = 162,991.88 : x
  2. Step 2: Convert to fraction form
    376,188.49/564,368.87 = 162,991.88/x
  3. Step 3: Cross multiply
    376,188.49x = 564,368.87 × 162,991.88
  4. Step 4: Simplify right side
    376,188.49x = 91,987,543,134.78
  5. Step 5: Solve for x
    x = 91,987,543,134.78/376,188.49
  6. Step 6: Final answer
    x = 244,525.14

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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.