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Finding the Fourth Proportional to 165,991.77, 248,987.52 and 60,818.94

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Solution

The fourth proportional to 165,991.77, 248,987.52 and 60,818.94 is: 91,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,991.77 : 248,987.52 = 60,818.94 : x
  2. Step 2: Convert to fraction form
    165,991.77/248,987.52 = 60,818.94/x
  3. Step 3: Cross multiply
    165,991.77x = 248,987.52 × 60,818.94
  4. Step 4: Simplify right side
    165,991.77x = 15,143,157,039.63
  5. Step 5: Solve for x
    x = 15,143,157,039.63/165,991.77
  6. Step 6: Final answer
    x = 91,228.36

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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.