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Finding the Fourth Proportional to 188,984.54, 260,798.67 and 104,101.62

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Solution

The fourth proportional to 188,984.54, 260,798.67 and 104,101.62 is: 143,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,984.54 : 260,798.67 = 104,101.62 : x
  2. Step 2: Convert to fraction form
    188,984.54/260,798.67 = 104,101.62/x
  3. Step 3: Cross multiply
    188,984.54x = 260,798.67 × 104,101.62
  4. Step 4: Simplify right side
    188,984.54x = 27,149,564,040.85
  5. Step 5: Solve for x
    x = 27,149,564,040.85/188,984.54
  6. Step 6: Final answer
    x = 143,660.24

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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.