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Finding the Fourth Proportional to 61,063.96, 84,269.64 and 34,205.08

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Solution

The fourth proportional to 61,063.96, 84,269.64 and 34,205.08 is: 47,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,063.96 : 84,269.64 = 34,205.08 : x
  2. Step 2: Convert to fraction form
    61,063.96/84,269.64 = 34,205.08/x
  3. Step 3: Cross multiply
    61,063.96x = 84,269.64 × 34,205.08
  4. Step 4: Simplify right side
    61,063.96x = 2,882,449,777.77
  5. Step 5: Solve for x
    x = 2,882,449,777.77/61,063.96
  6. Step 6: Final answer
    x = 47,203.78

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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.