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Finding the Fourth Proportional to 275,956.12, 380,833.01 and 168,508.81

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Solution

The fourth proportional to 275,956.12, 380,833.01 and 168,508.81 is: 232,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,956.12 : 380,833.01 = 168,508.81 : x
  2. Step 2: Convert to fraction form
    275,956.12/380,833.01 = 168,508.81/x
  3. Step 3: Cross multiply
    275,956.12x = 380,833.01 × 168,508.81
  4. Step 4: Simplify right side
    275,956.12x = 64,173,717,323.82
  5. Step 5: Solve for x
    x = 64,173,717,323.82/275,956.12
  6. Step 6: Final answer
    x = 232,550.44

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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.