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Finding the Fourth Proportional to 214,558.54, 321,866.06 and 79,604.24

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Solution

The fourth proportional to 214,558.54, 321,866.06 and 79,604.24 is: 119,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,558.54 : 321,866.06 = 79,604.24 : x
  2. Step 2: Convert to fraction form
    214,558.54/321,866.06 = 79,604.24/x
  3. Step 3: Cross multiply
    214,558.54x = 321,866.06 × 79,604.24
  4. Step 4: Simplify right side
    214,558.54x = 25,621,903,088.09
  5. Step 5: Solve for x
    x = 25,621,903,088.09/214,558.54
  6. Step 6: Final answer
    x = 119,416.84

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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.