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Finding the Fourth Proportional to 165,881.79, 248,835.65 and 60,698.43

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Solution

The fourth proportional to 165,881.79, 248,835.65 and 60,698.43 is: 91,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,881.79 : 248,835.65 = 60,698.43 : x
  2. Step 2: Convert to fraction form
    165,881.79/248,835.65 = 60,698.43/x
  3. Step 3: Cross multiply
    165,881.79x = 248,835.65 × 60,698.43
  4. Step 4: Simplify right side
    165,881.79x = 15,103,932,979.54
  5. Step 5: Solve for x
    x = 15,103,932,979.54/165,881.79
  6. Step 6: Final answer
    x = 91,052.39

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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.