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Finding the Fourth Proportional to 246,611.21, 369,933.21 and 86,667.80

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Solution

The fourth proportional to 246,611.21, 369,933.21 and 86,667.80 is: 130,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,611.21 : 369,933.21 = 86,667.80 : x
  2. Step 2: Convert to fraction form
    246,611.21/369,933.21 = 86,667.80/x
  3. Step 3: Cross multiply
    246,611.21x = 369,933.21 × 86,667.80
  4. Step 4: Simplify right side
    246,611.21x = 32,061,295,607.97
  5. Step 5: Solve for x
    x = 32,061,295,607.97/246,611.21
  6. Step 6: Final answer
    x = 130,007.46

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1.5x scale

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.