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Finding the Fourth Proportional to 219,602.03, 329,408.51 and 61,829.42

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Solution

The fourth proportional to 219,602.03, 329,408.51 and 61,829.42 is: 92,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,602.03 : 329,408.51 = 61,829.42 : x
  2. Step 2: Convert to fraction form
    219,602.03/329,408.51 = 61,829.42/x
  3. Step 3: Cross multiply
    219,602.03x = 329,408.51 × 61,829.42
  4. Step 4: Simplify right side
    219,602.03x = 20,367,135,160.17
  5. Step 5: Solve for x
    x = 20,367,135,160.17/219,602.03
  6. Step 6: Final answer
    x = 92,745.66

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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.