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Finding the Fourth Proportional to 159,410.25, 239,129.34 and 41,081.40

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Solution

The fourth proportional to 159,410.25, 239,129.34 and 41,081.40 is: 61,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,410.25 : 239,129.34 = 41,081.40 : x
  2. Step 2: Convert to fraction form
    159,410.25/239,129.34 = 41,081.40/x
  3. Step 3: Cross multiply
    159,410.25x = 239,129.34 × 41,081.40
  4. Step 4: Simplify right side
    159,410.25x = 9,823,768,068.28
  5. Step 5: Solve for x
    x = 9,823,768,068.28/159,410.25
  6. Step 6: Final answer
    x = 61,625.70

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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.