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Finding the Fourth Proportional to 158,997.06, 238,347.32 and 53,742.42

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Solution

The fourth proportional to 158,997.06, 238,347.32 and 53,742.42 is: 80,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,997.06 : 238,347.32 = 53,742.42 : x
  2. Step 2: Convert to fraction form
    158,997.06/238,347.32 = 53,742.42/x
  3. Step 3: Cross multiply
    158,997.06x = 238,347.32 × 53,742.42
  4. Step 4: Simplify right side
    158,997.06x = 12,809,361,508.60
  5. Step 5: Solve for x
    x = 12,809,361,508.60/158,997.06
  6. Step 6: Final answer
    x = 80,563.51

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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.