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Finding the Fourth Proportional to 158,211.87, 237,187.80 and 73,930.38

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Solution

The fourth proportional to 158,211.87, 237,187.80 and 73,930.38 is: 110,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,211.87 : 237,187.80 = 73,930.38 : x
  2. Step 2: Convert to fraction form
    158,211.87/237,187.80 = 73,930.38/x
  3. Step 3: Cross multiply
    158,211.87x = 237,187.80 × 73,930.38
  4. Step 4: Simplify right side
    158,211.87x = 17,535,384,185.36
  5. Step 5: Solve for x
    x = 17,535,384,185.36/158,211.87
  6. Step 6: Final answer
    x = 110,834.82

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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.