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Finding the Fourth Proportional to 167,760.40, 251,932.20 and 89,028.40

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Solution

The fourth proportional to 167,760.40, 251,932.20 and 89,028.40 is: 133,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,760.40 : 251,932.20 = 89,028.40 : x
  2. Step 2: Convert to fraction form
    167,760.40/251,932.20 = 89,028.40/x
  3. Step 3: Cross multiply
    167,760.40x = 251,932.20 × 89,028.40
  4. Step 4: Simplify right side
    167,760.40x = 22,429,120,674.48
  5. Step 5: Solve for x
    x = 22,429,120,674.48/167,760.40
  6. Step 6: Final answer
    x = 133,697.35

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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.