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Finding the Fourth Proportional to 189,044.97, 260,881.56 and 104,162.02

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Solution

The fourth proportional to 189,044.97, 260,881.56 and 104,162.02 is: 143,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,044.97 : 260,881.56 = 104,162.02 : x
  2. Step 2: Convert to fraction form
    189,044.97/260,881.56 = 104,162.02/x
  3. Step 3: Cross multiply
    189,044.97x = 260,881.56 × 104,162.02
  4. Step 4: Simplify right side
    189,044.97x = 27,173,950,270.35
  5. Step 5: Solve for x
    x = 27,173,950,270.35/189,044.97
  6. Step 6: Final answer
    x = 143,743.31

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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.