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Finding the Fourth Proportional to 122,401.73, 183,491.76 and 43,497.51

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Solution

The fourth proportional to 122,401.73, 183,491.76 and 43,497.51 is: 65,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,401.73 : 183,491.76 = 43,497.51 : x
  2. Step 2: Convert to fraction form
    122,401.73/183,491.76 = 43,497.51/x
  3. Step 3: Cross multiply
    122,401.73x = 183,491.76 × 43,497.51
  4. Step 4: Simplify right side
    122,401.73x = 7,981,434,140.54
  5. Step 5: Solve for x
    x = 7,981,434,140.54/122,401.73
  6. Step 6: Final answer
    x = 65,206.87

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1.5x scale

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.