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Finding the Fourth Proportional to 207,086.23, 310,629.86 and 62,993.31

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Solution

The fourth proportional to 207,086.23, 310,629.86 and 62,993.31 is: 94,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,086.23 : 310,629.86 = 62,993.31 : x
  2. Step 2: Convert to fraction form
    207,086.23/310,629.86 = 62,993.31/x
  3. Step 3: Cross multiply
    207,086.23x = 310,629.86 × 62,993.31
  4. Step 4: Simplify right side
    207,086.23x = 19,567,603,066.24
  5. Step 5: Solve for x
    x = 19,567,603,066.24/207,086.23
  6. Step 6: Final answer
    x = 94,490.12

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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.