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Finding the Fourth Proportional to 108,791.73, 150,228.33 and 68,025.72

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Solution

The fourth proportional to 108,791.73, 150,228.33 and 68,025.72 is: 93,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,791.73 : 150,228.33 = 68,025.72 : x
  2. Step 2: Convert to fraction form
    108,791.73/150,228.33 = 68,025.72/x
  3. Step 3: Cross multiply
    108,791.73x = 150,228.33 × 68,025.72
  4. Step 4: Simplify right side
    108,791.73x = 10,219,390,312.65
  5. Step 5: Solve for x
    x = 10,219,390,312.65/108,791.73
  6. Step 6: Final answer
    x = 93,935.36

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1.5x scale

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.