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Finding the Fourth Proportional to 175,781.48, 263,630.34 and 75,887.01

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Solution

The fourth proportional to 175,781.48, 263,630.34 and 75,887.01 is: 113,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,781.48 : 263,630.34 = 75,887.01 : x
  2. Step 2: Convert to fraction form
    175,781.48/263,630.34 = 75,887.01/x
  3. Step 3: Cross multiply
    175,781.48x = 263,630.34 × 75,887.01
  4. Step 4: Simplify right side
    175,781.48x = 20,006,118,247.88
  5. Step 5: Solve for x
    x = 20,006,118,247.88/175,781.48
  6. Step 6: Final answer
    x = 113,812.44

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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.