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Finding the Fourth Proportional to 165,603.84, 248,409.87 and 60,422.82

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Solution

The fourth proportional to 165,603.84, 248,409.87 and 60,422.82 is: 90,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,603.84 : 248,409.87 = 60,422.82 : x
  2. Step 2: Convert to fraction form
    165,603.84/248,409.87 = 60,422.82/x
  3. Step 3: Cross multiply
    165,603.84x = 248,409.87 × 60,422.82
  4. Step 4: Simplify right side
    165,603.84x = 15,009,624,861.23
  5. Step 5: Solve for x
    x = 15,009,624,861.23/165,603.84
  6. Step 6: Final answer
    x = 90,635.73

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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.