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Finding the Fourth Proportional to 188,984.25, 260,798.97 and 104,101.11

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Solution

The fourth proportional to 188,984.25, 260,798.97 and 104,101.11 is: 143,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,984.25 : 260,798.97 = 104,101.11 : x
  2. Step 2: Convert to fraction form
    188,984.25/260,798.97 = 104,101.11/x
  3. Step 3: Cross multiply
    188,984.25x = 260,798.97 × 104,101.11
  4. Step 4: Simplify right side
    188,984.25x = 27,149,462,263.86
  5. Step 5: Solve for x
    x = 27,149,462,263.86/188,984.25
  6. Step 6: Final answer
    x = 143,659.92

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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.