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Finding the Fourth Proportional to 62,974.63, 94,461.81 and 43,193.22

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Solution

The fourth proportional to 62,974.63, 94,461.81 and 43,193.22 is: 64,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,974.63 : 94,461.81 = 43,193.22 : x
  2. Step 2: Convert to fraction form
    62,974.63/94,461.81 = 43,193.22/x
  3. Step 3: Cross multiply
    62,974.63x = 94,461.81 × 43,193.22
  4. Step 4: Simplify right side
    62,974.63x = 4,080,109,740.93
  5. Step 5: Solve for x
    x = 4,080,109,740.93/62,974.63
  6. Step 6: Final answer
    x = 64,789.74

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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.