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Finding the Fourth Proportional to 208,452, 312,695.28 and 60,708

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Solution

The fourth proportional to 208,452, 312,695.28 and 60,708 is: 91,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,452 : 312,695.28 = 60,708 : x
  2. Step 2: Convert to fraction form
    208,452/312,695.28 = 60,708/x
  3. Step 3: Cross multiply
    208,452x = 312,695.28 × 60,708
  4. Step 4: Simplify right side
    208,452x = 18,983,105,058.24
  5. Step 5: Solve for x
    x = 18,983,105,058.24/208,452
  6. Step 6: Final answer
    x = 91,067.03

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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.