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Finding the Fourth Proportional to 188,851.56, 260,605.26 and 103,952.04

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Solution

The fourth proportional to 188,851.56, 260,605.26 and 103,952.04 is: 143,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,851.56 : 260,605.26 = 103,952.04 : x
  2. Step 2: Convert to fraction form
    188,851.56/260,605.26 = 103,952.04/x
  3. Step 3: Cross multiply
    188,851.56x = 260,605.26 × 103,952.04
  4. Step 4: Simplify right side
    188,851.56x = 27,090,448,411.73
  5. Step 5: Solve for x
    x = 27,090,448,411.73/188,851.56
  6. Step 6: Final answer
    x = 143,448.37

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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.