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Finding the Fourth Proportional to 181,794.40, 272,600.34 and 105,917.47

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Solution

The fourth proportional to 181,794.40, 272,600.34 and 105,917.47 is: 158,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,794.40 : 272,600.34 = 105,917.47 : x
  2. Step 2: Convert to fraction form
    181,794.40/272,600.34 = 105,917.47/x
  3. Step 3: Cross multiply
    181,794.40x = 272,600.34 × 105,917.47
  4. Step 4: Simplify right side
    181,794.40x = 28,873,138,333.94
  5. Step 5: Solve for x
    x = 28,873,138,333.94/181,794.40
  6. Step 6: Final answer
    x = 158,823.03

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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.