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Finding the Fourth Proportional to 159,181.74, 238,690.44 and 46,847.39

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Solution

The fourth proportional to 159,181.74, 238,690.44 and 46,847.39 is: 70,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,181.74 : 238,690.44 = 46,847.39 : x
  2. Step 2: Convert to fraction form
    159,181.74/238,690.44 = 46,847.39/x
  3. Step 3: Cross multiply
    159,181.74x = 238,690.44 × 46,847.39
  4. Step 4: Simplify right side
    159,181.74x = 11,182,022,938.50
  5. Step 5: Solve for x
    x = 11,182,022,938.50/159,181.74
  6. Step 6: Final answer
    x = 70,246.89

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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.