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Finding the Fourth Proportional to 169,992.71, 234,597.87 and 98,358.87

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Solution

The fourth proportional to 169,992.71, 234,597.87 and 98,358.87 is: 135,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,992.71 : 234,597.87 = 98,358.87 : x
  2. Step 2: Convert to fraction form
    169,992.71/234,597.87 = 98,358.87/x
  3. Step 3: Cross multiply
    169,992.71x = 234,597.87 × 98,358.87
  4. Step 4: Simplify right side
    169,992.71x = 23,074,782,277.35
  5. Step 5: Solve for x
    x = 23,074,782,277.35/169,992.71
  6. Step 6: Final answer
    x = 135,739.84

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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.