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Finding the Fourth Proportional to 151,989.66, 227,989.11 and 52,148.46

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Solution

The fourth proportional to 151,989.66, 227,989.11 and 52,148.46 is: 78,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,989.66 : 227,989.11 = 52,148.46 : x
  2. Step 2: Convert to fraction form
    151,989.66/227,989.11 = 52,148.46/x
  3. Step 3: Cross multiply
    151,989.66x = 227,989.11 × 52,148.46
  4. Step 4: Simplify right side
    151,989.66x = 11,889,280,983.27
  5. Step 5: Solve for x
    x = 11,889,280,983.27/151,989.66
  6. Step 6: Final answer
    x = 78,224.28

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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.