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Finding the Fourth Proportional to 167,615.20, 251,422.80 and 149,244.40

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Solution

The fourth proportional to 167,615.20, 251,422.80 and 149,244.40 is: 223,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,615.20 : 251,422.80 = 149,244.40 : x
  2. Step 2: Convert to fraction form
    167,615.20/251,422.80 = 149,244.40/x
  3. Step 3: Cross multiply
    167,615.20x = 251,422.80 × 149,244.40
  4. Step 4: Simplify right side
    167,615.20x = 37,523,444,932.32
  5. Step 5: Solve for x
    x = 37,523,444,932.32/167,615.20
  6. Step 6: Final answer
    x = 223,866.60

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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.