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Finding the Fourth Proportional to 84,548.48, 126,832.44 and 49,488.44

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Solution

The fourth proportional to 84,548.48, 126,832.44 and 49,488.44 is: 74,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,548.48 : 126,832.44 = 49,488.44 : x
  2. Step 2: Convert to fraction form
    84,548.48/126,832.44 = 49,488.44/x
  3. Step 3: Cross multiply
    84,548.48x = 126,832.44 × 49,488.44
  4. Step 4: Simplify right side
    84,548.48x = 6,276,739,596.99
  5. Step 5: Solve for x
    x = 6,276,739,596.99/84,548.48
  6. Step 6: Final answer
    x = 74,238.35

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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.