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Finding the Fourth Proportional to 67,984.66, 93,486.09 and 59,016.48

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Solution

The fourth proportional to 67,984.66, 93,486.09 and 59,016.48 is: 81,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,984.66 : 93,486.09 = 59,016.48 : x
  2. Step 2: Convert to fraction form
    67,984.66/93,486.09 = 59,016.48/x
  3. Step 3: Cross multiply
    67,984.66x = 93,486.09 × 59,016.48
  4. Step 4: Simplify right side
    67,984.66x = 5,517,219,960.76
  5. Step 5: Solve for x
    x = 5,517,219,960.76/67,984.66
  6. Step 6: Final answer
    x = 81,153.90

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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.