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Finding the Fourth Proportional to 150,301.44, 207,679.85 and 118,290.44

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Solution

The fourth proportional to 150,301.44, 207,679.85 and 118,290.44 is: 163,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,301.44 : 207,679.85 = 118,290.44 : x
  2. Step 2: Convert to fraction form
    150,301.44/207,679.85 = 118,290.44/x
  3. Step 3: Cross multiply
    150,301.44x = 207,679.85 × 118,290.44
  4. Step 4: Simplify right side
    150,301.44x = 24,566,541,206.97
  5. Step 5: Solve for x
    x = 24,566,541,206.97/150,301.44
  6. Step 6: Final answer
    x = 163,448.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.