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Finding the Fourth Proportional to 236,159.60, 354,930.60 and 205,746.80

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Solution

The fourth proportional to 236,159.60, 354,930.60 and 205,746.80 is: 309,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,159.60 : 354,930.60 = 205,746.80 : x
  2. Step 2: Convert to fraction form
    236,159.60/354,930.60 = 205,746.80/x
  3. Step 3: Cross multiply
    236,159.60x = 354,930.60 × 205,746.80
  4. Step 4: Simplify right side
    236,159.60x = 73,025,835,172.08
  5. Step 5: Solve for x
    x = 73,025,835,172.08/236,159.60
  6. Step 6: Final answer
    x = 309,222.39

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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.