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Finding the Fourth Proportional to 236,259.66, 354,622.77 and 103,231.74

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Solution

The fourth proportional to 236,259.66, 354,622.77 and 103,231.74 is: 154,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,259.66 : 354,622.77 = 103,231.74 : x
  2. Step 2: Convert to fraction form
    236,259.66/354,622.77 = 103,231.74/x
  3. Step 3: Cross multiply
    236,259.66x = 354,622.77 × 103,231.74
  4. Step 4: Simplify right side
    236,259.66x = 36,608,325,590.72
  5. Step 5: Solve for x
    x = 36,608,325,590.72/236,259.66
  6. Step 6: Final answer
    x = 154,949.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.