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Finding the Fourth Proportional to 212,755.08, 293,600.88 and 115,958.64

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Solution

The fourth proportional to 212,755.08, 293,600.88 and 115,958.64 is: 160,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,755.08 : 293,600.88 = 115,958.64 : x
  2. Step 2: Convert to fraction form
    212,755.08/293,600.88 = 115,958.64/x
  3. Step 3: Cross multiply
    212,755.08x = 293,600.88 × 115,958.64
  4. Step 4: Simplify right side
    212,755.08x = 34,045,558,747.60
  5. Step 5: Solve for x
    x = 34,045,558,747.60/212,755.08
  6. Step 6: Final answer
    x = 160,022.31

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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.