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Finding the Fourth Proportional to 60,173.40, 83,042.34 and 33,318.86

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Solution

The fourth proportional to 60,173.40, 83,042.34 and 33,318.86 is: 45,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,173.40 : 83,042.34 = 33,318.86 : x
  2. Step 2: Convert to fraction form
    60,173.40/83,042.34 = 33,318.86/x
  3. Step 3: Cross multiply
    60,173.40x = 83,042.34 × 33,318.86
  4. Step 4: Simplify right side
    60,173.40x = 2,766,876,100.53
  5. Step 5: Solve for x
    x = 2,766,876,100.53/60,173.40
  6. Step 6: Final answer
    x = 45,981.71

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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.