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Finding the Fourth Proportional to 69,673.40, 104,466.90 and 40,076.60

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Solution

The fourth proportional to 69,673.40, 104,466.90 and 40,076.60 is: 60,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,673.40 : 104,466.90 = 40,076.60 : x
  2. Step 2: Convert to fraction form
    69,673.40/104,466.90 = 40,076.60/x
  3. Step 3: Cross multiply
    69,673.40x = 104,466.90 × 40,076.60
  4. Step 4: Simplify right side
    69,673.40x = 4,186,678,164.54
  5. Step 5: Solve for x
    x = 4,186,678,164.54/69,673.40
  6. Step 6: Final answer
    x = 60,090.05

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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.