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Finding the Fourth Proportional to 159,467.60, 238,913.40 and 92,853.20

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Solution

The fourth proportional to 159,467.60, 238,913.40 and 92,853.20 is: 139,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,467.60 : 238,913.40 = 92,853.20 : x
  2. Step 2: Convert to fraction form
    159,467.60/238,913.40 = 92,853.20/x
  3. Step 3: Cross multiply
    159,467.60x = 238,913.40 × 92,853.20
  4. Step 4: Simplify right side
    159,467.60x = 22,183,873,712.88
  5. Step 5: Solve for x
    x = 22,183,873,712.88/159,467.60
  6. Step 6: Final answer
    x = 139,112.11

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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.