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Finding the Fourth Proportional to 67,603.40, 101,467.10 and 34,346.60

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Solution

The fourth proportional to 67,603.40, 101,467.10 and 34,346.60 is: 51,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.40 : 101,467.10 = 34,346.60 : x
  2. Step 2: Convert to fraction form
    67,603.40/101,467.10 = 34,346.60/x
  3. Step 3: Cross multiply
    67,603.40x = 101,467.10 × 34,346.60
  4. Step 4: Simplify right side
    67,603.40x = 3,485,049,896.86
  5. Step 5: Solve for x
    x = 3,485,049,896.86/67,603.40
  6. Step 6: Final answer
    x = 51,551.40

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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.