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Finding the Fourth Proportional to 240,665.76, 332,121.36 and 133,237.56

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Solution

The fourth proportional to 240,665.76, 332,121.36 and 133,237.56 is: 183,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,665.76 : 332,121.36 = 133,237.56 : x
  2. Step 2: Convert to fraction form
    240,665.76/332,121.36 = 133,237.56/x
  3. Step 3: Cross multiply
    240,665.76x = 332,121.36 × 133,237.56
  4. Step 4: Simplify right side
    240,665.76x = 44,251,039,630.28
  5. Step 5: Solve for x
    x = 44,251,039,630.28/240,665.76
  6. Step 6: Final answer
    x = 183,869.28

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1.5x scale

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.