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Finding the Fourth Proportional to 61,520.66, 92,273.67 and 19,967.66

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Solution

The fourth proportional to 61,520.66, 92,273.67 and 19,967.66 is: 29,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,520.66 : 92,273.67 = 19,967.66 : x
  2. Step 2: Convert to fraction form
    61,520.66/92,273.67 = 19,967.66/x
  3. Step 3: Cross multiply
    61,520.66x = 92,273.67 × 19,967.66
  4. Step 4: Simplify right side
    61,520.66x = 1,842,488,808.14
  5. Step 5: Solve for x
    x = 1,842,488,808.14/61,520.66
  6. Step 6: Final answer
    x = 29,949.11

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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.