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Finding the Fourth Proportional to 248,169.72, 342,475.02 and 134,992.44

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Solution

The fourth proportional to 248,169.72, 342,475.02 and 134,992.44 is: 186,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,169.72 : 342,475.02 = 134,992.44 : x
  2. Step 2: Convert to fraction form
    248,169.72/342,475.02 = 134,992.44/x
  3. Step 3: Cross multiply
    248,169.72x = 342,475.02 × 134,992.44
  4. Step 4: Simplify right side
    248,169.72x = 46,231,538,588.85
  5. Step 5: Solve for x
    x = 46,231,538,588.85/248,169.72
  6. Step 6: Final answer
    x = 186,290.01

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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.