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Finding the Fourth Proportional to 251,473.48, 377,173.29 and 82,999.32

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Solution

The fourth proportional to 251,473.48, 377,173.29 and 82,999.32 is: 124,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,473.48 : 377,173.29 = 82,999.32 : x
  2. Step 2: Convert to fraction form
    251,473.48/377,173.29 = 82,999.32/x
  3. Step 3: Cross multiply
    251,473.48x = 377,173.29 × 82,999.32
  4. Step 4: Simplify right side
    251,473.48x = 31,305,125,489.01
  5. Step 5: Solve for x
    x = 31,305,125,489.01/251,473.48
  6. Step 6: Final answer
    x = 124,486.79

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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.