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Finding the Fourth Proportional to 219,736.76, 329,496.08 and 69,957.54

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Solution

The fourth proportional to 219,736.76, 329,496.08 and 69,957.54 is: 104,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,736.76 : 329,496.08 = 69,957.54 : x
  2. Step 2: Convert to fraction form
    219,736.76/329,496.08 = 69,957.54/x
  3. Step 3: Cross multiply
    219,736.76x = 329,496.08 × 69,957.54
  4. Step 4: Simplify right side
    219,736.76x = 23,050,734,846.66
  5. Step 5: Solve for x
    x = 23,050,734,846.66/219,736.76
  6. Step 6: Final answer
    x = 104,901.59

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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.