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Finding the Fourth Proportional to 181,393.52, 272,093.03 and 69,079.96

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Solution

The fourth proportional to 181,393.52, 272,093.03 and 69,079.96 is: 103,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,393.52 : 272,093.03 = 69,079.96 : x
  2. Step 2: Convert to fraction form
    181,393.52/272,093.03 = 69,079.96/x
  3. Step 3: Cross multiply
    181,393.52x = 272,093.03 × 69,079.96
  4. Step 4: Simplify right side
    181,393.52x = 18,796,173,922.81
  5. Step 5: Solve for x
    x = 18,796,173,922.81/181,393.52
  6. Step 6: Final answer
    x = 103,620.98

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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.