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Finding the Fourth Proportional to 301,223.61, 451,838.66 and 90,863.37

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Solution

The fourth proportional to 301,223.61, 451,838.66 and 90,863.37 is: 136,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,223.61 : 451,838.66 = 90,863.37 : x
  2. Step 2: Convert to fraction form
    301,223.61/451,838.66 = 90,863.37/x
  3. Step 3: Cross multiply
    301,223.61x = 451,838.66 × 90,863.37
  4. Step 4: Simplify right side
    301,223.61x = 41,055,582,889.57
  5. Step 5: Solve for x
    x = 41,055,582,889.57/301,223.61
  6. Step 6: Final answer
    x = 136,296.03

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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.