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Finding the Fourth Proportional to 246,756.88, 370,138.36 and 86,837.60

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Solution

The fourth proportional to 246,756.88, 370,138.36 and 86,837.60 is: 130,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,756.88 : 370,138.36 = 86,837.60 : x
  2. Step 2: Convert to fraction form
    246,756.88/370,138.36 = 86,837.60/x
  3. Step 3: Cross multiply
    246,756.88x = 370,138.36 × 86,837.60
  4. Step 4: Simplify right side
    246,756.88x = 32,141,926,850.34
  5. Step 5: Solve for x
    x = 32,141,926,850.34/246,756.88
  6. Step 6: Final answer
    x = 130,257.47

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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.