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Finding the Fourth Proportional to 150,656.56, 207,905.48 and 82,674.66

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Solution

The fourth proportional to 150,656.56, 207,905.48 and 82,674.66 is: 114,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,656.56 : 207,905.48 = 82,674.66 : x
  2. Step 2: Convert to fraction form
    150,656.56/207,905.48 = 82,674.66/x
  3. Step 3: Cross multiply
    150,656.56x = 207,905.48 × 82,674.66
  4. Step 4: Simplify right side
    150,656.56x = 17,188,514,871.14
  5. Step 5: Solve for x
    x = 17,188,514,871.14/150,656.56
  6. Step 6: Final answer
    x = 114,090.72

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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.