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Finding the Fourth Proportional to 188,964, 260,770.41 and 104,081.13

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Solution

The fourth proportional to 188,964, 260,770.41 and 104,081.13 is: 143,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,964 : 260,770.41 = 104,081.13 : x
  2. Step 2: Convert to fraction form
    188,964/260,770.41 = 104,081.13/x
  3. Step 3: Cross multiply
    188,964x = 260,770.41 × 104,081.13
  4. Step 4: Simplify right side
    188,964x = 27,141,278,943.36
  5. Step 5: Solve for x
    x = 27,141,278,943.36/188,964
  6. Step 6: Final answer
    x = 143,632.01

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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.