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Finding the Fourth Proportional to 239,316.54, 330,259.08 and 131,890.44

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Solution

The fourth proportional to 239,316.54, 330,259.08 and 131,890.44 is: 182,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,316.54 : 330,259.08 = 131,890.44 : x
  2. Step 2: Convert to fraction form
    239,316.54/330,259.08 = 131,890.44/x
  3. Step 3: Cross multiply
    239,316.54x = 330,259.08 × 131,890.44
  4. Step 4: Simplify right side
    239,316.54x = 43,558,015,375.20
  5. Step 5: Solve for x
    x = 43,558,015,375.20/239,316.54
  6. Step 6: Final answer
    x = 182,010.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.