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Finding the Fourth Proportional to 226,572.72, 339,899.94 and 93,378.84

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Solution

The fourth proportional to 226,572.72, 339,899.94 and 93,378.84 is: 140,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,572.72 : 339,899.94 = 93,378.84 : x
  2. Step 2: Convert to fraction form
    226,572.72/339,899.94 = 93,378.84/x
  3. Step 3: Cross multiply
    226,572.72x = 339,899.94 × 93,378.84
  4. Step 4: Simplify right side
    226,572.72x = 31,739,462,113.27
  5. Step 5: Solve for x
    x = 31,739,462,113.27/226,572.72
  6. Step 6: Final answer
    x = 140,085.10

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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.