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Finding the Fourth Proportional to 123,770.96, 185,622.40 and 60,558.56

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Solution

The fourth proportional to 123,770.96, 185,622.40 and 60,558.56 is: 90,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,770.96 : 185,622.40 = 60,558.56 : x
  2. Step 2: Convert to fraction form
    123,770.96/185,622.40 = 60,558.56/x
  3. Step 3: Cross multiply
    123,770.96x = 185,622.40 × 60,558.56
  4. Step 4: Simplify right side
    123,770.96x = 11,241,025,247.74
  5. Step 5: Solve for x
    x = 11,241,025,247.74/123,770.96
  6. Step 6: Final answer
    x = 90,821.18

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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.