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Finding the Fourth Proportional to 199,603.60, 299,405.40 and 184,513.30

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Solution

The fourth proportional to 199,603.60, 299,405.40 and 184,513.30 is: 276,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,603.60 : 299,405.40 = 184,513.30 : x
  2. Step 2: Convert to fraction form
    199,603.60/299,405.40 = 184,513.30/x
  3. Step 3: Cross multiply
    199,603.60x = 299,405.40 × 184,513.30
  4. Step 4: Simplify right side
    199,603.60x = 55,244,278,391.82
  5. Step 5: Solve for x
    x = 55,244,278,391.82/199,603.60
  6. Step 6: Final answer
    x = 276,769.95

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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.