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Finding the Fourth Proportional to 171,699.40, 256,965.90 and 150,704.20

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Solution

The fourth proportional to 171,699.40, 256,965.90 and 150,704.20 is: 225,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,699.40 : 256,965.90 = 150,704.20 : x
  2. Step 2: Convert to fraction form
    171,699.40/256,965.90 = 150,704.20/x
  3. Step 3: Cross multiply
    171,699.40x = 256,965.90 × 150,704.20
  4. Step 4: Simplify right side
    171,699.40x = 38,725,840,386.78
  5. Step 5: Solve for x
    x = 38,725,840,386.78/171,699.40
  6. Step 6: Final answer
    x = 225,544.41

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1.5x scale

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.