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Finding the Fourth Proportional to 238,515.08, 357,698.21 and 69,993.37

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Solution

The fourth proportional to 238,515.08, 357,698.21 and 69,993.37 is: 104,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,515.08 : 357,698.21 = 69,993.37 : x
  2. Step 2: Convert to fraction form
    238,515.08/357,698.21 = 69,993.37/x
  3. Step 3: Cross multiply
    238,515.08x = 357,698.21 × 69,993.37
  4. Step 4: Simplify right side
    238,515.08x = 25,036,501,916.66
  5. Step 5: Solve for x
    x = 25,036,501,916.66/238,515.08
  6. Step 6: Final answer
    x = 104,968.21

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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.