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Finding the Fourth Proportional to 185,424.34, 255,884.52 and 100,539.58

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Solution

The fourth proportional to 185,424.34, 255,884.52 and 100,539.58 is: 138,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,424.34 : 255,884.52 = 100,539.58 : x
  2. Step 2: Convert to fraction form
    185,424.34/255,884.52 = 100,539.58/x
  3. Step 3: Cross multiply
    185,424.34x = 255,884.52 × 100,539.58
  4. Step 4: Simplify right side
    185,424.34x = 25,726,522,169.30
  5. Step 5: Solve for x
    x = 25,726,522,169.30/185,424.34
  6. Step 6: Final answer
    x = 138,744.04

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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.