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Finding the Fourth Proportional to 84,765.96, 127,122.48 and 29,349

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Solution

The fourth proportional to 84,765.96, 127,122.48 and 29,349 is: 44,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765.96 : 127,122.48 = 29,349 : x
  2. Step 2: Convert to fraction form
    84,765.96/127,122.48 = 29,349/x
  3. Step 3: Cross multiply
    84,765.96x = 127,122.48 × 29,349
  4. Step 4: Simplify right side
    84,765.96x = 3,730,917,665.52
  5. Step 5: Solve for x
    x = 3,730,917,665.52/84,765.96
  6. Step 6: Final answer
    x = 44,014.34

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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.