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Finding the Fourth Proportional to 188,908.88, 260,696.07 and 104,027.76

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Solution

The fourth proportional to 188,908.88, 260,696.07 and 104,027.76 is: 143,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,908.88 : 260,696.07 = 104,027.76 : x
  2. Step 2: Convert to fraction form
    188,908.88/260,696.07 = 104,027.76/x
  3. Step 3: Cross multiply
    188,908.88x = 260,696.07 × 104,027.76
  4. Step 4: Simplify right side
    188,908.88x = 27,119,628,202.90
  5. Step 5: Solve for x
    x = 27,119,628,202.90/188,908.88
  6. Step 6: Final answer
    x = 143,559.31

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1.5x scale

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.