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Finding the Fourth Proportional to 236,604.80, 326,510.34 and 134,628.06

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Solution

The fourth proportional to 236,604.80, 326,510.34 and 134,628.06 is: 185,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,604.80 : 326,510.34 = 134,628.06 : x
  2. Step 2: Convert to fraction form
    236,604.80/326,510.34 = 134,628.06/x
  3. Step 3: Cross multiply
    236,604.80x = 326,510.34 × 134,628.06
  4. Step 4: Simplify right side
    236,604.80x = 43,957,453,644.14
  5. Step 5: Solve for x
    x = 43,957,453,644.14/236,604.80
  6. Step 6: Final answer
    x = 185,784.29

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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.