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Finding the Fourth Proportional to 248,480.52, 342,893.75 and 151,845.96

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Solution

The fourth proportional to 248,480.52, 342,893.75 and 151,845.96 is: 209,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,480.52 : 342,893.75 = 151,845.96 : x
  2. Step 2: Convert to fraction form
    248,480.52/342,893.75 = 151,845.96/x
  3. Step 3: Cross multiply
    248,480.52x = 342,893.75 × 151,845.96
  4. Step 4: Simplify right side
    248,480.52x = 52,067,029,887.52
  5. Step 5: Solve for x
    x = 52,067,029,887.52/248,480.52
  6. Step 6: Final answer
    x = 209,541.70

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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.