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Finding the Fourth Proportional to 185,485.66, 255,976.01 and 104,911.61

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Solution

The fourth proportional to 185,485.66, 255,976.01 and 104,911.61 is: 144,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,485.66 : 255,976.01 = 104,911.61 : x
  2. Step 2: Convert to fraction form
    185,485.66/255,976.01 = 104,911.61/x
  3. Step 3: Cross multiply
    185,485.66x = 255,976.01 × 104,911.61
  4. Step 4: Simplify right side
    185,485.66x = 26,854,854,805.92
  5. Step 5: Solve for x
    x = 26,854,854,805.92/185,485.66
  6. Step 6: Final answer
    x = 144,781.30

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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.