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Finding the Fourth Proportional to 109,773.34, 164,396.90 and 56,324.66

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Solution

The fourth proportional to 109,773.34, 164,396.90 and 56,324.66 is: 84,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,773.34 : 164,396.90 = 56,324.66 : x
  2. Step 2: Convert to fraction form
    109,773.34/164,396.90 = 56,324.66/x
  3. Step 3: Cross multiply
    109,773.34x = 164,396.90 × 56,324.66
  4. Step 4: Simplify right side
    109,773.34x = 9,259,598,804.94
  5. Step 5: Solve for x
    x = 9,259,598,804.94/109,773.34
  6. Step 6: Final answer
    x = 84,351.98

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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.