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Finding the Fourth Proportional to 236,159.79, 352,734.60 and 213,635.82

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Solution

The fourth proportional to 236,159.79, 352,734.60 and 213,635.82 is: 319,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,159.79 : 352,734.60 = 213,635.82 : x
  2. Step 2: Convert to fraction form
    236,159.79/352,734.60 = 213,635.82/x
  3. Step 3: Cross multiply
    236,159.79x = 352,734.60 × 213,635.82
  4. Step 4: Simplify right side
    236,159.79x = 75,356,745,513.37
  5. Step 5: Solve for x
    x = 75,356,745,513.37/236,159.79
  6. Step 6: Final answer
    x = 319,092.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.