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Finding the Fourth Proportional to 112,604.31, 168,973.11 and 41,576.49

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Solution

The fourth proportional to 112,604.31, 168,973.11 and 41,576.49 is: 62,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,604.31 : 168,973.11 = 41,576.49 : x
  2. Step 2: Convert to fraction form
    112,604.31/168,973.11 = 41,576.49/x
  3. Step 3: Cross multiply
    112,604.31x = 168,973.11 × 41,576.49
  4. Step 4: Simplify right side
    112,604.31x = 7,025,308,818.18
  5. Step 5: Solve for x
    x = 7,025,308,818.18/112,604.31
  6. Step 6: Final answer
    x = 62,389.34

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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.