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Finding the Fourth Proportional to 213,396.73, 294,499.29 and 117,901.37

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Solution

The fourth proportional to 213,396.73, 294,499.29 and 117,901.37 is: 162,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,396.73 : 294,499.29 = 117,901.37 : x
  2. Step 2: Convert to fraction form
    213,396.73/294,499.29 = 117,901.37/x
  3. Step 3: Cross multiply
    213,396.73x = 294,499.29 × 117,901.37
  4. Step 4: Simplify right side
    213,396.73x = 34,721,870,933.41
  5. Step 5: Solve for x
    x = 34,721,870,933.41/213,396.73
  6. Step 6: Final answer
    x = 162,710.42

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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.