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Finding the Fourth Proportional to 123,420.56, 185,092.56 and 44,524.53

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Solution

The fourth proportional to 123,420.56, 185,092.56 and 44,524.53 is: 66,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,420.56 : 185,092.56 = 44,524.53 : x
  2. Step 2: Convert to fraction form
    123,420.56/185,092.56 = 44,524.53/x
  3. Step 3: Cross multiply
    123,420.56x = 185,092.56 × 44,524.53
  4. Step 4: Simplify right side
    123,420.56x = 8,241,159,240.50
  5. Step 5: Solve for x
    x = 8,241,159,240.50/123,420.56
  6. Step 6: Final answer
    x = 66,772.99

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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.