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Finding the Fourth Proportional to 127,360.54, 175,755.69 and 73,650.55

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Solution

The fourth proportional to 127,360.54, 175,755.69 and 73,650.55 is: 101,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,360.54 : 175,755.69 = 73,650.55 : x
  2. Step 2: Convert to fraction form
    127,360.54/175,755.69 = 73,650.55/x
  3. Step 3: Cross multiply
    127,360.54x = 175,755.69 × 73,650.55
  4. Step 4: Simplify right side
    127,360.54x = 12,944,503,234.13
  5. Step 5: Solve for x
    x = 12,944,503,234.13/127,360.54
  6. Step 6: Final answer
    x = 101,636.69

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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.