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Finding the Fourth Proportional to 170,087.40, 255,131.10 and 150,404.40

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Solution

The fourth proportional to 170,087.40, 255,131.10 and 150,404.40 is: 225,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,087.40 : 255,131.10 = 150,404.40 : x
  2. Step 2: Convert to fraction form
    170,087.40/255,131.10 = 150,404.40/x
  3. Step 3: Cross multiply
    170,087.40x = 255,131.10 × 150,404.40
  4. Step 4: Simplify right side
    170,087.40x = 38,372,840,016.84
  5. Step 5: Solve for x
    x = 38,372,840,016.84/170,087.40
  6. Step 6: Final answer
    x = 225,606.60

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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.