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Finding the Fourth Proportional to 216,853.30, 325,267.80 and 67,092.40

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Solution

The fourth proportional to 216,853.30, 325,267.80 and 67,092.40 is: 100,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,853.30 : 325,267.80 = 67,092.40 : x
  2. Step 2: Convert to fraction form
    216,853.30/325,267.80 = 67,092.40/x
  3. Step 3: Cross multiply
    216,853.30x = 325,267.80 × 67,092.40
  4. Step 4: Simplify right side
    216,853.30x = 21,822,997,344.72
  5. Step 5: Solve for x
    x = 21,822,997,344.72/216,853.30
  6. Step 6: Final answer
    x = 100,634.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.