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Finding the Fourth Proportional to 62,109, 93,164.22 and 15,362.28

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Solution

The fourth proportional to 62,109, 93,164.22 and 15,362.28 is: 23,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,109 : 93,164.22 = 15,362.28 : x
  2. Step 2: Convert to fraction form
    62,109/93,164.22 = 15,362.28/x
  3. Step 3: Cross multiply
    62,109x = 93,164.22 × 15,362.28
  4. Step 4: Simplify right side
    62,109x = 1,431,214,833.62
  5. Step 5: Solve for x
    x = 1,431,214,833.62/62,109
  6. Step 6: Final answer
    x = 23,043.60

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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.