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Finding the Fourth Proportional to 109,296.01, 150,842.86 and 61,558.58

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Solution

The fourth proportional to 109,296.01, 150,842.86 and 61,558.58 is: 84,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,296.01 : 150,842.86 = 61,558.58 : x
  2. Step 2: Convert to fraction form
    109,296.01/150,842.86 = 61,558.58/x
  3. Step 3: Cross multiply
    109,296.01x = 150,842.86 × 61,558.58
  4. Step 4: Simplify right side
    109,296.01x = 9,285,672,487.95
  5. Step 5: Solve for x
    x = 9,285,672,487.95/109,296.01
  6. Step 6: Final answer
    x = 84,958.94

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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.