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Finding the Fourth Proportional to 117,003.70, 175,505.55 and 63,859.60

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Solution

The fourth proportional to 117,003.70, 175,505.55 and 63,859.60 is: 95,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,003.70 : 175,505.55 = 63,859.60 : x
  2. Step 2: Convert to fraction form
    117,003.70/175,505.55 = 63,859.60/x
  3. Step 3: Cross multiply
    117,003.70x = 175,505.55 × 63,859.60
  4. Step 4: Simplify right side
    117,003.70x = 11,207,714,220.78
  5. Step 5: Solve for x
    x = 11,207,714,220.78/117,003.70
  6. Step 6: Final answer
    x = 95,789.40

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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.