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Finding the Fourth Proportional to 67,603.08, 101,421.21 and 23,230.46

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Solution

The fourth proportional to 67,603.08, 101,421.21 and 23,230.46 is: 34,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.08 : 101,421.21 = 23,230.46 : x
  2. Step 2: Convert to fraction form
    67,603.08/101,421.21 = 23,230.46/x
  3. Step 3: Cross multiply
    67,603.08x = 101,421.21 × 23,230.46
  4. Step 4: Simplify right side
    67,603.08x = 2,356,061,362.06
  5. Step 5: Solve for x
    x = 2,356,061,362.06/67,603.08
  6. Step 6: Final answer
    x = 34,851.39

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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.