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Finding the Fourth Proportional to 67,603.87, 101,420.10 and 25,483.06

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Solution

The fourth proportional to 67,603.87, 101,420.10 and 25,483.06 is: 38,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.87 : 101,420.10 = 25,483.06 : x
  2. Step 2: Convert to fraction form
    67,603.87/101,420.10 = 25,483.06/x
  3. Step 3: Cross multiply
    67,603.87x = 101,420.10 × 25,483.06
  4. Step 4: Simplify right side
    67,603.87x = 2,584,494,493.51
  5. Step 5: Solve for x
    x = 2,584,494,493.51/67,603.87
  6. Step 6: Final answer
    x = 38,229.98

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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.