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Finding the Fourth Proportional to 65,069.76, 97,418.70 and 60,936.36

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Solution

The fourth proportional to 65,069.76, 97,418.70 and 60,936.36 is: 91,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,069.76 : 97,418.70 = 60,936.36 : x
  2. Step 2: Convert to fraction form
    65,069.76/97,418.70 = 60,936.36/x
  3. Step 3: Cross multiply
    65,069.76x = 97,418.70 × 60,936.36
  4. Step 4: Simplify right side
    65,069.76x = 5,936,340,973.93
  5. Step 5: Solve for x
    x = 5,936,340,973.93/65,069.76
  6. Step 6: Final answer
    x = 91,230.41

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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.