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Finding the Fourth Proportional to 197,367.52, 272,368.71 and 108,965.47

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Solution

The fourth proportional to 197,367.52, 272,368.71 and 108,965.47 is: 150,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,367.52 : 272,368.71 = 108,965.47 : x
  2. Step 2: Convert to fraction form
    197,367.52/272,368.71 = 108,965.47/x
  3. Step 3: Cross multiply
    197,367.52x = 272,368.71 × 108,965.47
  4. Step 4: Simplify right side
    197,367.52x = 29,678,784,498.44
  5. Step 5: Solve for x
    x = 29,678,784,498.44/197,367.52
  6. Step 6: Final answer
    x = 150,373.19

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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.