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Finding the Fourth Proportional to 171,451.74, 236,583.18 and 98,853.83

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Solution

The fourth proportional to 171,451.74, 236,583.18 and 98,853.83 is: 136,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,451.74 : 236,583.18 = 98,853.83 : x
  2. Step 2: Convert to fraction form
    171,451.74/236,583.18 = 98,853.83/x
  3. Step 3: Cross multiply
    171,451.74x = 236,583.18 × 98,853.83
  4. Step 4: Simplify right side
    171,451.74x = 23,387,152,273.66
  5. Step 5: Solve for x
    x = 23,387,152,273.66/171,451.74
  6. Step 6: Final answer
    x = 136,406.62

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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.