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Finding the Fourth Proportional to 245,087.72, 367,946.42 and 188,963.48

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Solution

The fourth proportional to 245,087.72, 367,946.42 and 188,963.48 is: 283,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,087.72 : 367,946.42 = 188,963.48 : x
  2. Step 2: Convert to fraction form
    245,087.72/367,946.42 = 188,963.48/x
  3. Step 3: Cross multiply
    245,087.72x = 367,946.42 × 188,963.48
  4. Step 4: Simplify right side
    245,087.72x = 69,528,437,546.17
  5. Step 5: Solve for x
    x = 69,528,437,546.17/245,087.72
  6. Step 6: Final answer
    x = 283,687.96

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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.