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Finding the Fourth Proportional to 237,393, 356,089.50 and 71,181

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Solution

The fourth proportional to 237,393, 356,089.50 and 71,181 is: 106,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,393 : 356,089.50 = 71,181 : x
  2. Step 2: Convert to fraction form
    237,393/356,089.50 = 71,181/x
  3. Step 3: Cross multiply
    237,393x = 356,089.50 × 71,181
  4. Step 4: Simplify right side
    237,393x = 25,346,806,699.50
  5. Step 5: Solve for x
    x = 25,346,806,699.50/237,393
  6. Step 6: Final answer
    x = 106,771.50

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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.