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Finding the Fourth Proportional to 274,687.88, 412,150.20 and 148,303.02

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Solution

The fourth proportional to 274,687.88, 412,150.20 and 148,303.02 is: 222,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,687.88 : 412,150.20 = 148,303.02 : x
  2. Step 2: Convert to fraction form
    274,687.88/412,150.20 = 148,303.02/x
  3. Step 3: Cross multiply
    274,687.88x = 412,150.20 × 148,303.02
  4. Step 4: Simplify right side
    274,687.88x = 61,123,119,353.60
  5. Step 5: Solve for x
    x = 61,123,119,353.60/274,687.88
  6. Step 6: Final answer
    x = 222,518.45

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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.