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Finding the Fourth Proportional to 69,476.67, 104,214.74 and 16,886.12

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Solution

The fourth proportional to 69,476.67, 104,214.74 and 16,886.12 is: 25,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.67 : 104,214.74 = 16,886.12 : x
  2. Step 2: Convert to fraction form
    69,476.67/104,214.74 = 16,886.12/x
  3. Step 3: Cross multiply
    69,476.67x = 104,214.74 × 16,886.12
  4. Step 4: Simplify right side
    69,476.67x = 1,759,781,999.90
  5. Step 5: Solve for x
    x = 1,759,781,999.90/69,476.67
  6. Step 6: Final answer
    x = 25,329.11

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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.