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Finding the Fourth Proportional to 114,296.60, 171,056.10 and 100,299.80

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Solution

The fourth proportional to 114,296.60, 171,056.10 and 100,299.80 is: 150,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,296.60 : 171,056.10 = 100,299.80 : x
  2. Step 2: Convert to fraction form
    114,296.60/171,056.10 = 100,299.80/x
  3. Step 3: Cross multiply
    114,296.60x = 171,056.10 × 100,299.80
  4. Step 4: Simplify right side
    114,296.60x = 17,156,892,618.78
  5. Step 5: Solve for x
    x = 17,156,892,618.78/114,296.60
  6. Step 6: Final answer
    x = 150,108.51

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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.