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Finding the Fourth Proportional to 237,879.34, 356,784.26 and 69,354.38

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Solution

The fourth proportional to 237,879.34, 356,784.26 and 69,354.38 is: 104,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,879.34 : 356,784.26 = 69,354.38 : x
  2. Step 2: Convert to fraction form
    237,879.34/356,784.26 = 69,354.38/x
  3. Step 3: Cross multiply
    237,879.34x = 356,784.26 × 69,354.38
  4. Step 4: Simplify right side
    237,879.34x = 24,744,551,146.06
  5. Step 5: Solve for x
    x = 24,744,551,146.06/237,879.34
  6. Step 6: Final answer
    x = 104,021.44

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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.