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Finding the Fourth Proportional to 175,393.89, 263,118.60 and 75,582.63

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Solution

The fourth proportional to 175,393.89, 263,118.60 and 75,582.63 is: 113,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,393.89 : 263,118.60 = 75,582.63 : x
  2. Step 2: Convert to fraction form
    175,393.89/263,118.60 = 75,582.63/x
  3. Step 3: Cross multiply
    175,393.89x = 263,118.60 × 75,582.63
  4. Step 4: Simplify right side
    175,393.89x = 19,887,195,789.92
  5. Step 5: Solve for x
    x = 19,887,195,789.92/175,393.89
  6. Step 6: Final answer
    x = 113,385.91

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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.