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Finding the Fourth Proportional to 167,790.88, 251,686.26 and 61,182.88

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Solution

The fourth proportional to 167,790.88, 251,686.26 and 61,182.88 is: 91,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,790.88 : 251,686.26 = 61,182.88 : x
  2. Step 2: Convert to fraction form
    167,790.88/251,686.26 = 61,182.88/x
  3. Step 3: Cross multiply
    167,790.88x = 251,686.26 × 61,182.88
  4. Step 4: Simplify right side
    167,790.88x = 15,398,890,243.23
  5. Step 5: Solve for x
    x = 15,398,890,243.23/167,790.88
  6. Step 6: Final answer
    x = 91,774.30

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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.