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Finding the Fourth Proportional to 159,491.70, 239,237.73 and 149,748.57

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Solution

The fourth proportional to 159,491.70, 239,237.73 and 149,748.57 is: 224,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,491.70 : 239,237.73 = 149,748.57 : x
  2. Step 2: Convert to fraction form
    159,491.70/239,237.73 = 149,748.57/x
  3. Step 3: Cross multiply
    159,491.70x = 239,237.73 × 149,748.57
  4. Step 4: Simplify right side
    159,491.70x = 35,825,507,957.55
  5. Step 5: Solve for x
    x = 35,825,507,957.55/159,491.70
  6. Step 6: Final answer
    x = 224,623.02

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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.