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Finding the Fourth Proportional to 227,189.72, 340,784.53 and 60,977.72

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Solution

The fourth proportional to 227,189.72, 340,784.53 and 60,977.72 is: 91,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,189.72 : 340,784.53 = 60,977.72 : x
  2. Step 2: Convert to fraction form
    227,189.72/340,784.53 = 60,977.72/x
  3. Step 3: Cross multiply
    227,189.72x = 340,784.53 × 60,977.72
  4. Step 4: Simplify right side
    227,189.72x = 20,780,261,641.86
  5. Step 5: Solve for x
    x = 20,780,261,641.86/227,189.72
  6. Step 6: Final answer
    x = 91,466.56

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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.