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Finding the Fourth Proportional to 71,645.94, 98,840.71 and 44,741.74

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Solution

The fourth proportional to 71,645.94, 98,840.71 and 44,741.74 is: 61,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,645.94 : 98,840.71 = 44,741.74 : x
  2. Step 2: Convert to fraction form
    71,645.94/98,840.71 = 44,741.74/x
  3. Step 3: Cross multiply
    71,645.94x = 98,840.71 × 44,741.74
  4. Step 4: Simplify right side
    71,645.94x = 4,422,305,348.24
  5. Step 5: Solve for x
    x = 4,422,305,348.24/71,645.94
  6. Step 6: Final answer
    x = 61,724.44

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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.