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Finding the Fourth Proportional to 199,653.37, 298,570.40 and 149,087.90

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Solution

The fourth proportional to 199,653.37, 298,570.40 and 149,087.90 is: 222,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,653.37 : 298,570.40 = 149,087.90 : x
  2. Step 2: Convert to fraction form
    199,653.37/298,570.40 = 149,087.90/x
  3. Step 3: Cross multiply
    199,653.37x = 298,570.40 × 149,087.90
  4. Step 4: Simplify right side
    199,653.37x = 44,513,233,938.16
  5. Step 5: Solve for x
    x = 44,513,233,938.16/199,653.37
  6. Step 6: Final answer
    x = 222,952.58

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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.