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Finding the Fourth Proportional to 60,174.72, 83,041.79 and 33,319.71

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Solution

The fourth proportional to 60,174.72, 83,041.79 and 33,319.71 is: 45,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,174.72 : 83,041.79 = 33,319.71 : x
  2. Step 2: Convert to fraction form
    60,174.72/83,041.79 = 33,319.71/x
  3. Step 3: Cross multiply
    60,174.72x = 83,041.79 × 33,319.71
  4. Step 4: Simplify right side
    60,174.72x = 2,766,928,194.08
  5. Step 5: Solve for x
    x = 2,766,928,194.08/60,174.72
  6. Step 6: Final answer
    x = 45,981.57

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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.