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Finding the Fourth Proportional to 227,222.80, 313,541.76 and 131,709.76

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Solution

The fourth proportional to 227,222.80, 313,541.76 and 131,709.76 is: 181,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,222.80 : 313,541.76 = 131,709.76 : x
  2. Step 2: Convert to fraction form
    227,222.80/313,541.76 = 131,709.76/x
  3. Step 3: Cross multiply
    227,222.80x = 313,541.76 × 131,709.76
  4. Step 4: Simplify right side
    227,222.80x = 41,296,509,959.58
  5. Step 5: Solve for x
    x = 41,296,509,959.58/227,222.80
  6. Step 6: Final answer
    x = 181,744.57

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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.