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Finding the Fourth Proportional to 236,970.54, 327,021.52 and 134,994.49

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Solution

The fourth proportional to 236,970.54, 327,021.52 and 134,994.49 is: 186,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,970.54 : 327,021.52 = 134,994.49 : x
  2. Step 2: Convert to fraction form
    236,970.54/327,021.52 = 134,994.49/x
  3. Step 3: Cross multiply
    236,970.54x = 327,021.52 × 134,994.49
  4. Step 4: Simplify right side
    236,970.54x = 44,146,101,380.12
  5. Step 5: Solve for x
    x = 44,146,101,380.12/236,970.54
  6. Step 6: Final answer
    x = 186,293.63

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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.