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Finding the Fourth Proportional to 246,611.02, 340,289.06 and 137,702.06

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Solution

The fourth proportional to 246,611.02, 340,289.06 and 137,702.06 is: 190,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,611.02 : 340,289.06 = 137,702.06 : x
  2. Step 2: Convert to fraction form
    246,611.02/340,289.06 = 137,702.06/x
  3. Step 3: Cross multiply
    246,611.02x = 340,289.06 × 137,702.06
  4. Step 4: Simplify right side
    246,611.02x = 46,858,504,557.46
  5. Step 5: Solve for x
    x = 46,858,504,557.46/246,611.02
  6. Step 6: Final answer
    x = 190,009.78

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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.