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Finding the Fourth Proportional to 194,282.65, 291,398.45 and 61,163.60

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Solution

The fourth proportional to 194,282.65, 291,398.45 and 61,163.60 is: 91,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,282.65 : 291,398.45 = 61,163.60 : x
  2. Step 2: Convert to fraction form
    194,282.65/291,398.45 = 61,163.60/x
  3. Step 3: Cross multiply
    194,282.65x = 291,398.45 × 61,163.60
  4. Step 4: Simplify right side
    194,282.65x = 17,822,978,236.42
  5. Step 5: Solve for x
    x = 17,822,978,236.42/194,282.65
  6. Step 6: Final answer
    x = 91,737.37

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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.