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Finding the Fourth Proportional to 151,995.90, 227,939.17 and 52,130.19

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Solution

The fourth proportional to 151,995.90, 227,939.17 and 52,130.19 is: 78,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,995.90 : 227,939.17 = 52,130.19 : x
  2. Step 2: Convert to fraction form
    151,995.90/227,939.17 = 52,130.19/x
  3. Step 3: Cross multiply
    151,995.90x = 227,939.17 × 52,130.19
  4. Step 4: Simplify right side
    151,995.90x = 11,882,512,240.54
  5. Step 5: Solve for x
    x = 11,882,512,240.54/151,995.90
  6. Step 6: Final answer
    x = 78,176.53

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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.