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Finding the Fourth Proportional to 197,873.64, 273,079.17 and 111,802.86

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Solution

The fourth proportional to 197,873.64, 273,079.17 and 111,802.86 is: 154,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,873.64 : 273,079.17 = 111,802.86 : x
  2. Step 2: Convert to fraction form
    197,873.64/273,079.17 = 111,802.86/x
  3. Step 3: Cross multiply
    197,873.64x = 273,079.17 × 111,802.86
  4. Step 4: Simplify right side
    197,873.64x = 30,531,032,212.43
  5. Step 5: Solve for x
    x = 30,531,032,212.43/197,873.64
  6. Step 6: Final answer
    x = 154,295.60

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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.