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Finding the Fourth Proportional to 61,596.18, 84,981.90 and 50,245.95

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Solution

The fourth proportional to 61,596.18, 84,981.90 and 50,245.95 is: 69,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,596.18 : 84,981.90 = 50,245.95 : x
  2. Step 2: Convert to fraction form
    61,596.18/84,981.90 = 50,245.95/x
  3. Step 3: Cross multiply
    61,596.18x = 84,981.90 × 50,245.95
  4. Step 4: Simplify right side
    61,596.18x = 4,269,996,298.31
  5. Step 5: Solve for x
    x = 4,269,996,298.31/61,596.18
  6. Step 6: Final answer
    x = 69,322.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.