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Finding the Fourth Proportional to 199,784.87, 299,644.95 and 73,394.04

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Solution

The fourth proportional to 199,784.87, 299,644.95 and 73,394.04 is: 110,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,784.87 : 299,644.95 = 73,394.04 : x
  2. Step 2: Convert to fraction form
    199,784.87/299,644.95 = 73,394.04/x
  3. Step 3: Cross multiply
    199,784.87x = 299,644.95 × 73,394.04
  4. Step 4: Simplify right side
    199,784.87x = 21,992,153,446.10
  5. Step 5: Solve for x
    x = 21,992,153,446.10/199,784.87
  6. Step 6: Final answer
    x = 110,079.17

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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.