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Finding the Fourth Proportional to 70,673.19, 106,020.29 and 23,279.54

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Solution

The fourth proportional to 70,673.19, 106,020.29 and 23,279.54 is: 34,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,673.19 : 106,020.29 = 23,279.54 : x
  2. Step 2: Convert to fraction form
    70,673.19/106,020.29 = 23,279.54/x
  3. Step 3: Cross multiply
    70,673.19x = 106,020.29 × 23,279.54
  4. Step 4: Simplify right side
    70,673.19x = 2,468,102,935.37
  5. Step 5: Solve for x
    x = 2,468,102,935.37/70,673.19
  6. Step 6: Final answer
    x = 34,922.76

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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.