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Finding the Fourth Proportional to 165,987.28, 248,972.76 and 60,798.28

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Solution

The fourth proportional to 165,987.28, 248,972.76 and 60,798.28 is: 91,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,987.28 : 248,972.76 = 60,798.28 : x
  2. Step 2: Convert to fraction form
    165,987.28/248,972.76 = 60,798.28/x
  3. Step 3: Cross multiply
    165,987.28x = 248,972.76 × 60,798.28
  4. Step 4: Simplify right side
    165,987.28x = 15,137,115,574.85
  5. Step 5: Solve for x
    x = 15,137,115,574.85/165,987.28
  6. Step 6: Final answer
    x = 91,194.43

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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.