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Finding the Fourth Proportional to 213,832.80, 295,085.50 and 123,188.54

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Solution

The fourth proportional to 213,832.80, 295,085.50 and 123,188.54 is: 169,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,832.80 : 295,085.50 = 123,188.54 : x
  2. Step 2: Convert to fraction form
    213,832.80/295,085.50 = 123,188.54/x
  3. Step 3: Cross multiply
    213,832.80x = 295,085.50 × 123,188.54
  4. Step 4: Simplify right side
    213,832.80x = 36,351,150,136.77
  5. Step 5: Solve for x
    x = 36,351,150,136.77/213,832.80
  6. Step 6: Final answer
    x = 169,998.01

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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.