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Finding the Fourth Proportional to 67,603.45, 101,333.66 and 25,465.30

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Solution

The fourth proportional to 67,603.45, 101,333.66 and 25,465.30 is: 38,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.45 : 101,333.66 = 25,465.30 : x
  2. Step 2: Convert to fraction form
    67,603.45/101,333.66 = 25,465.30/x
  3. Step 3: Cross multiply
    67,603.45x = 101,333.66 × 25,465.30
  4. Step 4: Simplify right side
    67,603.45x = 2,580,491,862.33
  5. Step 5: Solve for x
    x = 2,580,491,862.33/67,603.45
  6. Step 6: Final answer
    x = 38,171.01

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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.