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Finding the Fourth Proportional to 185,485.52, 255,885 and 110,006.48

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Solution

The fourth proportional to 185,485.52, 255,885 and 110,006.48 is: 151,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,485.52 : 255,885 = 110,006.48 : x
  2. Step 2: Convert to fraction form
    185,485.52/255,885 = 110,006.48/x
  3. Step 3: Cross multiply
    185,485.52x = 255,885 × 110,006.48
  4. Step 4: Simplify right side
    185,485.52x = 28,149,008,134.80
  5. Step 5: Solve for x
    x = 28,149,008,134.80/185,485.52
  6. Step 6: Final answer
    x = 151,758.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.