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Finding the Fourth Proportional to 367,426.56, 551,142.80 and 101,201.76

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Solution

The fourth proportional to 367,426.56, 551,142.80 and 101,201.76 is: 151,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,426.56 : 551,142.80 = 101,201.76 : x
  2. Step 2: Convert to fraction form
    367,426.56/551,142.80 = 101,201.76/x
  3. Step 3: Cross multiply
    367,426.56x = 551,142.80 × 101,201.76
  4. Step 4: Simplify right side
    367,426.56x = 55,776,621,371.33
  5. Step 5: Solve for x
    x = 55,776,621,371.33/367,426.56
  6. Step 6: Final answer
    x = 151,803.46

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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.