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Finding the Fourth Proportional to 219,336.66, 329,022 and 69,585.48

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Solution

The fourth proportional to 219,336.66, 329,022 and 69,585.48 is: 104,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,336.66 : 329,022 = 69,585.48 : x
  2. Step 2: Convert to fraction form
    219,336.66/329,022 = 69,585.48/x
  3. Step 3: Cross multiply
    219,336.66x = 329,022 × 69,585.48
  4. Step 4: Simplify right side
    219,336.66x = 22,895,153,800.56
  5. Step 5: Solve for x
    x = 22,895,153,800.56/219,336.66
  6. Step 6: Final answer
    x = 104,383.62

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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.