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Finding the Fourth Proportional to 60,173.30, 83,042.22 and 33,318.77

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Solution

The fourth proportional to 60,173.30, 83,042.22 and 33,318.77 is: 45,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,173.30 : 83,042.22 = 33,318.77 : x
  2. Step 2: Convert to fraction form
    60,173.30/83,042.22 = 33,318.77/x
  3. Step 3: Cross multiply
    60,173.30x = 83,042.22 × 33,318.77
  4. Step 4: Simplify right side
    60,173.30x = 2,766,864,628.47
  5. Step 5: Solve for x
    x = 2,766,864,628.47/60,173.30
  6. Step 6: Final answer
    x = 45,981.60

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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.