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Finding the Fourth Proportional to 205,360.60, 307,580.10 and 168,496.60

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Solution

The fourth proportional to 205,360.60, 307,580.10 and 168,496.60 is: 252,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,360.60 : 307,580.10 = 168,496.60 : x
  2. Step 2: Convert to fraction form
    205,360.60/307,580.10 = 168,496.60/x
  3. Step 3: Cross multiply
    205,360.60x = 307,580.10 × 168,496.60
  4. Step 4: Simplify right side
    205,360.60x = 51,826,201,077.66
  5. Step 5: Solve for x
    x = 51,826,201,077.66/205,360.60
  6. Step 6: Final answer
    x = 252,366.82

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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.