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Finding the Fourth Proportional to 333,100.51, 459,672.97 and 187,906.61

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Solution

The fourth proportional to 333,100.51, 459,672.97 and 187,906.61 is: 259,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,100.51 : 459,672.97 = 187,906.61 : x
  2. Step 2: Convert to fraction form
    333,100.51/459,672.97 = 187,906.61/x
  3. Step 3: Cross multiply
    333,100.51x = 459,672.97 × 187,906.61
  4. Step 4: Simplify right side
    333,100.51x = 86,375,586,733.20
  5. Step 5: Solve for x
    x = 86,375,586,733.20/333,100.51
  6. Step 6: Final answer
    x = 259,307.88

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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.