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Finding the Fourth Proportional to 375,431.88, 563,194.80 and 122,737.80

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Solution

The fourth proportional to 375,431.88, 563,194.80 and 122,737.80 is: 184,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,431.88 : 563,194.80 = 122,737.80 : x
  2. Step 2: Convert to fraction form
    375,431.88/563,194.80 = 122,737.80/x
  3. Step 3: Cross multiply
    375,431.88x = 563,194.80 × 122,737.80
  4. Step 4: Simplify right side
    375,431.88x = 69,125,290,723.44
  5. Step 5: Solve for x
    x = 69,125,290,723.44/375,431.88
  6. Step 6: Final answer
    x = 184,122.06

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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.