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Finding the Fourth Proportional to 71,294.58, 98,411.12 and 41,091.96

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Solution

The fourth proportional to 71,294.58, 98,411.12 and 41,091.96 is: 56,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294.58 : 98,411.12 = 41,091.96 : x
  2. Step 2: Convert to fraction form
    71,294.58/98,411.12 = 41,091.96/x
  3. Step 3: Cross multiply
    71,294.58x = 98,411.12 × 41,091.96
  4. Step 4: Simplify right side
    71,294.58x = 4,043,905,806.60
  5. Step 5: Solve for x
    x = 4,043,905,806.60/71,294.58
  6. Step 6: Final answer
    x = 56,721.08

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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.