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Finding the Fourth Proportional to 220,674.10, 330,751.95 and 102,094.96

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Solution

The fourth proportional to 220,674.10, 330,751.95 and 102,094.96 is: 153,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,674.10 : 330,751.95 = 102,094.96 : x
  2. Step 2: Convert to fraction form
    220,674.10/330,751.95 = 102,094.96/x
  3. Step 3: Cross multiply
    220,674.10x = 330,751.95 × 102,094.96
  4. Step 4: Simplify right side
    220,674.10x = 33,768,107,105.17
  5. Step 5: Solve for x
    x = 33,768,107,105.17/220,674.10
  6. Step 6: Final answer
    x = 153,022.52

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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.