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Finding the Fourth Proportional to 188,550.48, 260,189.82 and 103,670.40

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Solution

The fourth proportional to 188,550.48, 260,189.82 and 103,670.40 is: 143,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550.48 : 260,189.82 = 103,670.40 : x
  2. Step 2: Convert to fraction form
    188,550.48/260,189.82 = 103,670.40/x
  3. Step 3: Cross multiply
    188,550.48x = 260,189.82 × 103,670.40
  4. Step 4: Simplify right side
    188,550.48x = 26,973,982,715.33
  5. Step 5: Solve for x
    x = 26,973,982,715.33/188,550.48
  6. Step 6: Final answer
    x = 143,059.74

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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.