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Finding the Fourth Proportional to 117,191.66, 175,795.68 and 58,011.44

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Solution

The fourth proportional to 117,191.66, 175,795.68 and 58,011.44 is: 87,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,191.66 : 175,795.68 = 58,011.44 : x
  2. Step 2: Convert to fraction form
    117,191.66/175,795.68 = 58,011.44/x
  3. Step 3: Cross multiply
    117,191.66x = 175,795.68 × 58,011.44
  4. Step 4: Simplify right side
    117,191.66x = 10,198,160,542.58
  5. Step 5: Solve for x
    x = 10,198,160,542.58/117,191.66
  6. Step 6: Final answer
    x = 87,021.21

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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.