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Finding the Fourth Proportional to 67,583.84, 101,212.34 and 65,812.37

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Solution

The fourth proportional to 67,583.84, 101,212.34 and 65,812.37 is: 98,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,583.84 : 101,212.34 = 65,812.37 : x
  2. Step 2: Convert to fraction form
    67,583.84/101,212.34 = 65,812.37/x
  3. Step 3: Cross multiply
    67,583.84x = 101,212.34 × 65,812.37
  4. Step 4: Simplify right side
    67,583.84x = 6,661,023,133.52
  5. Step 5: Solve for x
    x = 6,661,023,133.52/67,583.84
  6. Step 6: Final answer
    x = 98,559.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.