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Finding the Fourth Proportional to 151,807.68, 227,748.48 and 68,679.36

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Solution

The fourth proportional to 151,807.68, 227,748.48 and 68,679.36 is: 103,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,807.68 : 227,748.48 = 68,679.36 : x
  2. Step 2: Convert to fraction form
    151,807.68/227,748.48 = 68,679.36/x
  3. Step 3: Cross multiply
    151,807.68x = 227,748.48 × 68,679.36
  4. Step 4: Simplify right side
    151,807.68x = 15,641,619,847.37
  5. Step 5: Solve for x
    x = 15,641,619,847.37/151,807.68
  6. Step 6: Final answer
    x = 103,035.76

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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.