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Finding the Fourth Proportional to 236,157.60, 354,927.60 and 205,744.80

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Solution

The fourth proportional to 236,157.60, 354,927.60 and 205,744.80 is: 309,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,157.60 : 354,927.60 = 205,744.80 : x
  2. Step 2: Convert to fraction form
    236,157.60/354,927.60 = 205,744.80/x
  3. Step 3: Cross multiply
    236,157.60x = 354,927.60 × 205,744.80
  4. Step 4: Simplify right side
    236,157.60x = 73,024,508,076.48
  5. Step 5: Solve for x
    x = 73,024,508,076.48/236,157.60
  6. Step 6: Final answer
    x = 309,219.39

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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.