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Finding the Fourth Proportional to 188,957.44, 260,773.08 and 104,074.48

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Solution

The fourth proportional to 188,957.44, 260,773.08 and 104,074.48 is: 143,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,957.44 : 260,773.08 = 104,074.48 : x
  2. Step 2: Convert to fraction form
    188,957.44/260,773.08 = 104,074.48/x
  3. Step 3: Cross multiply
    188,957.44x = 260,773.08 × 104,074.48
  4. Step 4: Simplify right side
    188,957.44x = 27,139,822,699.00
  5. Step 5: Solve for x
    x = 27,139,822,699.00/188,957.44
  6. Step 6: Final answer
    x = 143,629.29

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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.