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Finding the Fourth Proportional to 210,447.74, 315,718.24 and 60,676.34

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Solution

The fourth proportional to 210,447.74, 315,718.24 and 60,676.34 is: 91,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,447.74 : 315,718.24 = 60,676.34 : x
  2. Step 2: Convert to fraction form
    210,447.74/315,718.24 = 60,676.34/x
  3. Step 3: Cross multiply
    210,447.74x = 315,718.24 × 60,676.34
  4. Step 4: Simplify right side
    210,447.74x = 19,156,627,274.44
  5. Step 5: Solve for x
    x = 19,156,627,274.44/210,447.74
  6. Step 6: Final answer
    x = 91,027.95

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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.