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Finding the Fourth Proportional to 246,059.40, 369,261.90 and 105,918.60

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Solution

The fourth proportional to 246,059.40, 369,261.90 and 105,918.60 is: 158,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,059.40 : 369,261.90 = 105,918.60 : x
  2. Step 2: Convert to fraction form
    246,059.40/369,261.90 = 105,918.60/x
  3. Step 3: Cross multiply
    246,059.40x = 369,261.90 × 105,918.60
  4. Step 4: Simplify right side
    246,059.40x = 39,111,703,481.34
  5. Step 5: Solve for x
    x = 39,111,703,481.34/246,059.40
  6. Step 6: Final answer
    x = 158,952.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.