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Finding the Fourth Proportional to 123,475.38, 185,257.47 and 48,553.98

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Solution

The fourth proportional to 123,475.38, 185,257.47 and 48,553.98 is: 72,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,475.38 : 185,257.47 = 48,553.98 : x
  2. Step 2: Convert to fraction form
    123,475.38/185,257.47 = 48,553.98/x
  3. Step 3: Cross multiply
    123,475.38x = 185,257.47 × 48,553.98
  4. Step 4: Simplify right side
    123,475.38x = 8,994,987,493.23
  5. Step 5: Solve for x
    x = 8,994,987,493.23/123,475.38
  6. Step 6: Final answer
    x = 72,848.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.