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Finding the Fourth Proportional to 181,953.54, 251,092.56 and 101,379.34

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Solution

The fourth proportional to 181,953.54, 251,092.56 and 101,379.34 is: 139,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,953.54 : 251,092.56 = 101,379.34 : x
  2. Step 2: Convert to fraction form
    181,953.54/251,092.56 = 101,379.34/x
  3. Step 3: Cross multiply
    181,953.54x = 251,092.56 × 101,379.34
  4. Step 4: Simplify right side
    181,953.54x = 25,455,598,705.75
  5. Step 5: Solve for x
    x = 25,455,598,705.75/181,953.54
  6. Step 6: Final answer
    x = 139,901.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.