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Finding the Fourth Proportional to 246,062.40, 369,266.40 and 105,921.60

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Solution

The fourth proportional to 246,062.40, 369,266.40 and 105,921.60 is: 158,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,062.40 : 369,266.40 = 105,921.60 : x
  2. Step 2: Convert to fraction form
    246,062.40/369,266.40 = 105,921.60/x
  3. Step 3: Cross multiply
    246,062.40x = 369,266.40 × 105,921.60
  4. Step 4: Simplify right side
    246,062.40x = 39,113,287,914.24
  5. Step 5: Solve for x
    x = 39,113,287,914.24/246,062.40
  6. Step 6: Final answer
    x = 158,956.78

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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.