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Finding the Fourth Proportional to 173,187.27, 238,944.20 and 101,570.31

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Solution

The fourth proportional to 173,187.27, 238,944.20 and 101,570.31 is: 140,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,187.27 : 238,944.20 = 101,570.31 : x
  2. Step 2: Convert to fraction form
    173,187.27/238,944.20 = 101,570.31/x
  3. Step 3: Cross multiply
    173,187.27x = 238,944.20 × 101,570.31
  4. Step 4: Simplify right side
    173,187.27x = 24,269,635,958.85
  5. Step 5: Solve for x
    x = 24,269,635,958.85/173,187.27
  6. Step 6: Final answer
    x = 140,135.22

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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.