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Finding the Fourth Proportional to 226,131.98, 312,049.95 and 125,523.50

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Solution

The fourth proportional to 226,131.98, 312,049.95 and 125,523.50 is: 173,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,131.98 : 312,049.95 = 125,523.50 : x
  2. Step 2: Convert to fraction form
    226,131.98/312,049.95 = 125,523.50/x
  3. Step 3: Cross multiply
    226,131.98x = 312,049.95 × 125,523.50
  4. Step 4: Simplify right side
    226,131.98x = 39,169,601,898.83
  5. Step 5: Solve for x
    x = 39,169,601,898.83/226,131.98
  6. Step 6: Final answer
    x = 173,215.67

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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.