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Finding the Fourth Proportional to 146,958, 202,801.56 and 79,889.52

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Solution

The fourth proportional to 146,958, 202,801.56 and 79,889.52 is: 110,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,958 : 202,801.56 = 79,889.52 : x
  2. Step 2: Convert to fraction form
    146,958/202,801.56 = 79,889.52/x
  3. Step 3: Cross multiply
    146,958x = 202,801.56 × 79,889.52
  4. Step 4: Simplify right side
    146,958x = 16,201,719,283.65
  5. Step 5: Solve for x
    x = 16,201,719,283.65/146,958
  6. Step 6: Final answer
    x = 110,247.28

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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.