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Finding the Fourth Proportional to 248,224.52, 342,551.32 and 135,048.08

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Solution

The fourth proportional to 248,224.52, 342,551.32 and 135,048.08 is: 186,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,224.52 : 342,551.32 = 135,048.08 : x
  2. Step 2: Convert to fraction form
    248,224.52/342,551.32 = 135,048.08/x
  3. Step 3: Cross multiply
    248,224.52x = 342,551.32 × 135,048.08
  4. Step 4: Simplify right side
    248,224.52x = 46,260,898,067.47
  5. Step 5: Solve for x
    x = 46,260,898,067.47/248,224.52
  6. Step 6: Final answer
    x = 186,367.16

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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.