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Finding the Fourth Proportional to 227,189.88, 313,558.29 and 173,372.67

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Solution

The fourth proportional to 227,189.88, 313,558.29 and 173,372.67 is: 239,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,189.88 : 313,558.29 = 173,372.67 : x
  2. Step 2: Convert to fraction form
    227,189.88/313,558.29 = 173,372.67/x
  3. Step 3: Cross multiply
    227,189.88x = 313,558.29 × 173,372.67
  4. Step 4: Simplify right side
    227,189.88x = 54,362,437,937.93
  5. Step 5: Solve for x
    x = 54,362,437,937.93/227,189.88
  6. Step 6: Final answer
    x = 239,281.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.