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Finding the Fourth Proportional to 203,171.24, 304,837.08 and 62,940.80

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Solution

The fourth proportional to 203,171.24, 304,837.08 and 62,940.80 is: 94,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,171.24 : 304,837.08 = 62,940.80 : x
  2. Step 2: Convert to fraction form
    203,171.24/304,837.08 = 62,940.80/x
  3. Step 3: Cross multiply
    203,171.24x = 304,837.08 × 62,940.80
  4. Step 4: Simplify right side
    203,171.24x = 19,186,689,684.86
  5. Step 5: Solve for x
    x = 19,186,689,684.86/203,171.24
  6. Step 6: Final answer
    x = 94,436.05

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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.