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Finding the Fourth Proportional to 116,994.70, 161,452.15 and 63,279.59

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Solution

The fourth proportional to 116,994.70, 161,452.15 and 63,279.59 is: 87,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,994.70 : 161,452.15 = 63,279.59 : x
  2. Step 2: Convert to fraction form
    116,994.70/161,452.15 = 63,279.59/x
  3. Step 3: Cross multiply
    116,994.70x = 161,452.15 × 63,279.59
  4. Step 4: Simplify right side
    116,994.70x = 10,216,625,247.11
  5. Step 5: Solve for x
    x = 10,216,625,247.11/116,994.70
  6. Step 6: Final answer
    x = 87,325.54

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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.