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Finding the Fourth Proportional to 384,042.36, 576,170.42 and 117,811.48

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Solution

The fourth proportional to 384,042.36, 576,170.42 and 117,811.48 is: 176,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,042.36 : 576,170.42 = 117,811.48 : x
  2. Step 2: Convert to fraction form
    384,042.36/576,170.42 = 117,811.48/x
  3. Step 3: Cross multiply
    384,042.36x = 576,170.42 × 117,811.48
  4. Step 4: Simplify right side
    384,042.36x = 67,879,489,912.42
  5. Step 5: Solve for x
    x = 67,879,489,912.42/384,042.36
  6. Step 6: Final answer
    x = 176,750.01

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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.