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Finding the Fourth Proportional to 116,108.80, 173,702.40 and 100,697.60

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Solution

The fourth proportional to 116,108.80, 173,702.40 and 100,697.60 is: 150,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,108.80 : 173,702.40 = 100,697.60 : x
  2. Step 2: Convert to fraction form
    116,108.80/173,702.40 = 100,697.60/x
  3. Step 3: Cross multiply
    116,108.80x = 173,702.40 × 100,697.60
  4. Step 4: Simplify right side
    116,108.80x = 17,491,414,794.24
  5. Step 5: Solve for x
    x = 17,491,414,794.24/116,108.80
  6. Step 6: Final answer
    x = 150,646.76

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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.