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Finding the Fourth Proportional to 375,832.53, 563,770.94 and 123,139.53

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Solution

The fourth proportional to 375,832.53, 563,770.94 and 123,139.53 is: 184,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,832.53 : 563,770.94 = 123,139.53 : x
  2. Step 2: Convert to fraction form
    375,832.53/563,770.94 = 123,139.53/x
  3. Step 3: Cross multiply
    375,832.53x = 563,770.94 × 123,139.53
  4. Step 4: Simplify right side
    375,832.53x = 69,422,487,963.56
  5. Step 5: Solve for x
    x = 69,422,487,963.56/375,832.53
  6. Step 6: Final answer
    x = 184,716.55

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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.