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Finding the Fourth Proportional to 185,059.89, 255,380.41 and 104,490.81

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Solution

The fourth proportional to 185,059.89, 255,380.41 and 104,490.81 is: 144,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,059.89 : 255,380.41 = 104,490.81 : x
  2. Step 2: Convert to fraction form
    185,059.89/255,380.41 = 104,490.81/x
  3. Step 3: Cross multiply
    185,059.89x = 255,380.41 × 104,490.81
  4. Step 4: Simplify right side
    185,059.89x = 26,684,906,029.65
  5. Step 5: Solve for x
    x = 26,684,906,029.65/185,059.89
  6. Step 6: Final answer
    x = 144,196.05

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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.