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Finding the Fourth Proportional to 171,698.40, 257,029.20 and 150,962.40

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Solution

The fourth proportional to 171,698.40, 257,029.20 and 150,962.40 is: 225,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,698.40 : 257,029.20 = 150,962.40 : x
  2. Step 2: Convert to fraction form
    171,698.40/257,029.20 = 150,962.40/x
  3. Step 3: Cross multiply
    171,698.40x = 257,029.20 × 150,962.40
  4. Step 4: Simplify right side
    171,698.40x = 38,801,744,902.08
  5. Step 5: Solve for x
    x = 38,801,744,902.08/171,698.40
  6. Step 6: Final answer
    x = 225,987.81

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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.