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Finding the Fourth Proportional to 179,485.88, 269,275.52 and 67,174.92

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Solution

The fourth proportional to 179,485.88, 269,275.52 and 67,174.92 is: 100,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,485.88 : 269,275.52 = 67,174.92 : x
  2. Step 2: Convert to fraction form
    179,485.88/269,275.52 = 67,174.92/x
  3. Step 3: Cross multiply
    179,485.88x = 269,275.52 × 67,174.92
  4. Step 4: Simplify right side
    179,485.88x = 18,088,561,178.08
  5. Step 5: Solve for x
    x = 18,088,561,178.08/179,485.88
  6. Step 6: Final answer
    x = 100,779.86

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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.