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Finding the Fourth Proportional to 188,529.44, 260,171.52 and 103,652

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Solution

The fourth proportional to 188,529.44, 260,171.52 and 103,652 is: 143,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529.44 : 260,171.52 = 103,652 : x
  2. Step 2: Convert to fraction form
    188,529.44/260,171.52 = 103,652/x
  3. Step 3: Cross multiply
    188,529.44x = 260,171.52 × 103,652
  4. Step 4: Simplify right side
    188,529.44x = 26,967,298,391.04
  5. Step 5: Solve for x
    x = 26,967,298,391.04/188,529.44
  6. Step 6: Final answer
    x = 143,040.25

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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.