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Finding the Fourth Proportional to 71,479, 98,641.10 and 41,676.76

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Solution

The fourth proportional to 71,479, 98,641.10 and 41,676.76 is: 57,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,479 : 98,641.10 = 41,676.76 : x
  2. Step 2: Convert to fraction form
    71,479/98,641.10 = 41,676.76/x
  3. Step 3: Cross multiply
    71,479x = 98,641.10 × 41,676.76
  4. Step 4: Simplify right side
    71,479x = 4,111,041,450.84
  5. Step 5: Solve for x
    x = 4,111,041,450.84/71,479
  6. Step 6: Final answer
    x = 57,513.98

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