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Finding the Fourth Proportional to 236,616, 326,558.70 and 134,666.23

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Solution

The fourth proportional to 236,616, 326,558.70 and 134,666.23 is: 185,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,616 : 326,558.70 = 134,666.23 : x
  2. Step 2: Convert to fraction form
    236,616/326,558.70 = 134,666.23/x
  3. Step 3: Cross multiply
    236,616x = 326,558.70 × 134,666.23
  4. Step 4: Simplify right side
    236,616x = 43,976,429,002.70
  5. Step 5: Solve for x
    x = 43,976,429,002.70/236,616
  6. Step 6: Final answer
    x = 185,855.69

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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.