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Finding the Fourth Proportional to 395,761.99, 593,636.67 and 125,886.22

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Solution

The fourth proportional to 395,761.99, 593,636.67 and 125,886.22 is: 188,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,761.99 : 593,636.67 = 125,886.22 : x
  2. Step 2: Convert to fraction form
    395,761.99/593,636.67 = 125,886.22/x
  3. Step 3: Cross multiply
    395,761.99x = 593,636.67 × 125,886.22
  4. Step 4: Simplify right side
    395,761.99x = 74,730,676,439.69
  5. Step 5: Solve for x
    x = 74,730,676,439.69/395,761.99
  6. Step 6: Final answer
    x = 188,827.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.