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Finding the Fourth Proportional to 219,033.44, 328,552.61 and 69,270.11

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Solution

The fourth proportional to 219,033.44, 328,552.61 and 69,270.11 is: 103,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,033.44 : 328,552.61 = 69,270.11 : x
  2. Step 2: Convert to fraction form
    219,033.44/328,552.61 = 69,270.11/x
  3. Step 3: Cross multiply
    219,033.44x = 328,552.61 × 69,270.11
  4. Step 4: Simplify right side
    219,033.44x = 22,758,873,446.37
  5. Step 5: Solve for x
    x = 22,758,873,446.37/219,033.44
  6. Step 6: Final answer
    x = 103,905.93

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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.