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Finding the Fourth Proportional to 194,710.59, 292,086.39 and 80,845.47

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Solution

The fourth proportional to 194,710.59, 292,086.39 and 80,845.47 is: 121,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,710.59 : 292,086.39 = 80,845.47 : x
  2. Step 2: Convert to fraction form
    194,710.59/292,086.39 = 80,845.47/x
  3. Step 3: Cross multiply
    194,710.59x = 292,086.39 × 80,845.47
  4. Step 4: Simplify right side
    194,710.59x = 23,613,861,480.15
  5. Step 5: Solve for x
    x = 23,613,861,480.15/194,710.59
  6. Step 6: Final answer
    x = 121,276.72

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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.