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Finding the Fourth Proportional to 199,610.40, 299,415.60 and 94,634.40

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Solution

The fourth proportional to 199,610.40, 299,415.60 and 94,634.40 is: 141,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,610.40 : 299,415.60 = 94,634.40 : x
  2. Step 2: Convert to fraction form
    199,610.40/299,415.60 = 94,634.40/x
  3. Step 3: Cross multiply
    199,610.40x = 299,415.60 × 94,634.40
  4. Step 4: Simplify right side
    199,610.40x = 28,335,015,656.64
  5. Step 5: Solve for x
    x = 28,335,015,656.64/199,610.40
  6. Step 6: Final answer
    x = 141,951.60

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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.