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Finding the Fourth Proportional to 84,704.66, 127,048.08 and 34,790.03

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Solution

The fourth proportional to 84,704.66, 127,048.08 and 34,790.03 is: 52,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.66 : 127,048.08 = 34,790.03 : x
  2. Step 2: Convert to fraction form
    84,704.66/127,048.08 = 34,790.03/x
  3. Step 3: Cross multiply
    84,704.66x = 127,048.08 × 34,790.03
  4. Step 4: Simplify right side
    84,704.66x = 4,420,006,962.73
  5. Step 5: Solve for x
    x = 4,420,006,962.73/84,704.66
  6. Step 6: Final answer
    x = 52,181.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.