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Finding the Fourth Proportional to 60,984.44, 84,146.44 and 34,121.74

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Solution

The fourth proportional to 60,984.44, 84,146.44 and 34,121.74 is: 47,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,984.44 : 84,146.44 = 34,121.74 : x
  2. Step 2: Convert to fraction form
    60,984.44/84,146.44 = 34,121.74/x
  3. Step 3: Cross multiply
    60,984.44x = 84,146.44 × 34,121.74
  4. Step 4: Simplify right side
    60,984.44x = 2,871,222,947.61
  5. Step 5: Solve for x
    x = 2,871,222,947.61/60,984.44
  6. Step 6: Final answer
    x = 47,081.24

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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.