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Finding the Fourth Proportional to 205,366.35, 308,078.69 and 63,223.46

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Solution

The fourth proportional to 205,366.35, 308,078.69 and 63,223.46 is: 94,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,366.35 : 308,078.69 = 63,223.46 : x
  2. Step 2: Convert to fraction form
    205,366.35/308,078.69 = 63,223.46/x
  3. Step 3: Cross multiply
    205,366.35x = 308,078.69 × 63,223.46
  4. Step 4: Simplify right side
    205,366.35x = 19,477,800,734.07
  5. Step 5: Solve for x
    x = 19,477,800,734.07/205,366.35
  6. Step 6: Final answer
    x = 94,844.17

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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.