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Finding the Fourth Proportional to 185,418.46, 255,866.61 and 104,862.88

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Solution

The fourth proportional to 185,418.46, 255,866.61 and 104,862.88 is: 144,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,418.46 : 255,866.61 = 104,862.88 : x
  2. Step 2: Convert to fraction form
    185,418.46/255,866.61 = 104,862.88/x
  3. Step 3: Cross multiply
    185,418.46x = 255,866.61 × 104,862.88
  4. Step 4: Simplify right side
    185,418.46x = 26,830,909,620.44
  5. Step 5: Solve for x
    x = 26,830,909,620.44/185,418.46
  6. Step 6: Final answer
    x = 144,704.63

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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.