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Finding the Fourth Proportional to 214,832.40, 321,941.40 and 158,230.80

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Solution

The fourth proportional to 214,832.40, 321,941.40 and 158,230.80 is: 237,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,832.40 : 321,941.40 = 158,230.80 : x
  2. Step 2: Convert to fraction form
    214,832.40/321,941.40 = 158,230.80/x
  3. Step 3: Cross multiply
    214,832.40x = 321,941.40 × 158,230.80
  4. Step 4: Simplify right side
    214,832.40x = 50,941,045,275.12
  5. Step 5: Solve for x
    x = 50,941,045,275.12/214,832.40
  6. Step 6: Final answer
    x = 237,119.94

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1.5x scale

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.