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Finding the Fourth Proportional to 71,548.80, 98,741.94 and 41,335.39

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Solution

The fourth proportional to 71,548.80, 98,741.94 and 41,335.39 is: 57,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,548.80 : 98,741.94 = 41,335.39 : x
  2. Step 2: Convert to fraction form
    71,548.80/98,741.94 = 41,335.39/x
  3. Step 3: Cross multiply
    71,548.80x = 98,741.94 × 41,335.39
  4. Step 4: Simplify right side
    71,548.80x = 4,081,536,392.58
  5. Step 5: Solve for x
    x = 4,081,536,392.58/71,548.80
  6. Step 6: Final answer
    x = 57,045.49

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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.