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Finding the Fourth Proportional to 123,252.64, 184,959.72 and 43,288.49

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Solution

The fourth proportional to 123,252.64, 184,959.72 and 43,288.49 is: 64,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,252.64 : 184,959.72 = 43,288.49 : x
  2. Step 2: Convert to fraction form
    123,252.64/184,959.72 = 43,288.49/x
  3. Step 3: Cross multiply
    123,252.64x = 184,959.72 × 43,288.49
  4. Step 4: Simplify right side
    123,252.64x = 8,006,627,452.02
  5. Step 5: Solve for x
    x = 8,006,627,452.02/123,252.64
  6. Step 6: Final answer
    x = 64,961.10

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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.