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Finding the Fourth Proportional to 237,495.87, 327,744.81 and 128,601.41

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Solution

The fourth proportional to 237,495.87, 327,744.81 and 128,601.41 is: 177,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,495.87 : 327,744.81 = 128,601.41 : x
  2. Step 2: Convert to fraction form
    237,495.87/327,744.81 = 128,601.41/x
  3. Step 3: Cross multiply
    237,495.87x = 327,744.81 × 128,601.41
  4. Step 4: Simplify right side
    237,495.87x = 42,148,443,047.46
  5. Step 5: Solve for x
    x = 42,148,443,047.46/237,495.87
  6. Step 6: Final answer
    x = 177,470.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.