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Finding the Fourth Proportional to 61,602.90, 92,404.35 and 22,161.30

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Solution

The fourth proportional to 61,602.90, 92,404.35 and 22,161.30 is: 33,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.90 : 92,404.35 = 22,161.30 : x
  2. Step 2: Convert to fraction form
    61,602.90/92,404.35 = 22,161.30/x
  3. Step 3: Cross multiply
    61,602.90x = 92,404.35 × 22,161.30
  4. Step 4: Simplify right side
    61,602.90x = 2,047,800,521.66
  5. Step 5: Solve for x
    x = 2,047,800,521.66/61,602.90
  6. Step 6: Final answer
    x = 33,241.95

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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.