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Finding the Fourth Proportional to 171,518.76, 236,713.42 and 98,924.48

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Solution

The fourth proportional to 171,518.76, 236,713.42 and 98,924.48 is: 136,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,518.76 : 236,713.42 = 98,924.48 : x
  2. Step 2: Convert to fraction form
    171,518.76/236,713.42 = 98,924.48/x
  3. Step 3: Cross multiply
    171,518.76x = 236,713.42 × 98,924.48
  4. Step 4: Simplify right side
    171,518.76x = 23,416,751,982.52
  5. Step 5: Solve for x
    x = 23,416,751,982.52/171,518.76
  6. Step 6: Final answer
    x = 136,525.89

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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.