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Finding the Fourth Proportional to 197,976, 273,208.32 and 108,552

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Solution

The fourth proportional to 197,976, 273,208.32 and 108,552 is: 149,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,976 : 273,208.32 = 108,552 : x
  2. Step 2: Convert to fraction form
    197,976/273,208.32 = 108,552/x
  3. Step 3: Cross multiply
    197,976x = 273,208.32 × 108,552
  4. Step 4: Simplify right side
    197,976x = 29,657,309,552.64
  5. Step 5: Solve for x
    x = 29,657,309,552.64/197,976
  6. Step 6: Final answer
    x = 149,802.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.