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Finding the Fourth Proportional to 203,350.84, 305,024.72 and 61,195.50

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Solution

The fourth proportional to 203,350.84, 305,024.72 and 61,195.50 is: 91,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,350.84 : 305,024.72 = 61,195.50 : x
  2. Step 2: Convert to fraction form
    203,350.84/305,024.72 = 61,195.50/x
  3. Step 3: Cross multiply
    203,350.84x = 305,024.72 × 61,195.50
  4. Step 4: Simplify right side
    203,350.84x = 18,666,140,291.01
  5. Step 5: Solve for x
    x = 18,666,140,291.01/203,350.84
  6. Step 6: Final answer
    x = 91,792.79

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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.