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Finding the Fourth Proportional to 84,895.92, 127,255.11 and 47,401.02

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Solution

The fourth proportional to 84,895.92, 127,255.11 and 47,401.02 is: 71,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.92 : 127,255.11 = 47,401.02 : x
  2. Step 2: Convert to fraction form
    84,895.92/127,255.11 = 47,401.02/x
  3. Step 3: Cross multiply
    84,895.92x = 127,255.11 × 47,401.02
  4. Step 4: Simplify right side
    84,895.92x = 6,032,022,014.21
  5. Step 5: Solve for x
    x = 6,032,022,014.21/84,895.92
  6. Step 6: Final answer
    x = 71,051.97

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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.