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Finding the Fourth Proportional to 150,496.80, 225,712.80 and 66,256.80

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Solution

The fourth proportional to 150,496.80, 225,712.80 and 66,256.80 is: 99,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,496.80 : 225,712.80 = 66,256.80 : x
  2. Step 2: Convert to fraction form
    150,496.80/225,712.80 = 66,256.80/x
  3. Step 3: Cross multiply
    150,496.80x = 225,712.80 × 66,256.80
  4. Step 4: Simplify right side
    150,496.80x = 14,955,007,847.04
  5. Step 5: Solve for x
    x = 14,955,007,847.04/150,496.80
  6. Step 6: Final answer
    x = 99,370.94

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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.