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Finding the Fourth Proportional to 376,190.88, 564,319.12 and 123,395.54

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Solution

The fourth proportional to 376,190.88, 564,319.12 and 123,395.54 is: 185,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,190.88 : 564,319.12 = 123,395.54 : x
  2. Step 2: Convert to fraction form
    376,190.88/564,319.12 = 123,395.54/x
  3. Step 3: Cross multiply
    376,190.88x = 564,319.12 × 123,395.54
  4. Step 4: Simplify right side
    376,190.88x = 69,634,462,544.72
  5. Step 5: Solve for x
    x = 69,634,462,544.72/376,190.88
  6. Step 6: Final answer
    x = 185,104.07

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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.