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Finding the Fourth Proportional to 232,712.19, 348,379.38 and 143,679.42

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Solution

The fourth proportional to 232,712.19, 348,379.38 and 143,679.42 is: 215,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,712.19 : 348,379.38 = 143,679.42 : x
  2. Step 2: Convert to fraction form
    232,712.19/348,379.38 = 143,679.42/x
  3. Step 3: Cross multiply
    232,712.19x = 348,379.38 × 143,679.42
  4. Step 4: Simplify right side
    232,712.19x = 50,054,947,258.36
  5. Step 5: Solve for x
    x = 50,054,947,258.36/232,712.19
  6. Step 6: Final answer
    x = 215,093.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.