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Finding the Fourth Proportional to 262,462.60, 362,198.48 and 153,587.87

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Solution

The fourth proportional to 262,462.60, 362,198.48 and 153,587.87 is: 211,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,462.60 : 362,198.48 = 153,587.87 : x
  2. Step 2: Convert to fraction form
    262,462.60/362,198.48 = 153,587.87/x
  3. Step 3: Cross multiply
    262,462.60x = 362,198.48 × 153,587.87
  4. Step 4: Simplify right side
    262,462.60x = 55,629,293,060.44
  5. Step 5: Solve for x
    x = 55,629,293,060.44/262,462.60
  6. Step 6: Final answer
    x = 211,951.31

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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.