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Finding the Fourth Proportional to 151,718.70, 227,578.05 and 149,750.40

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Solution

The fourth proportional to 151,718.70, 227,578.05 and 149,750.40 is: 224,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,718.70 : 227,578.05 = 149,750.40 : x
  2. Step 2: Convert to fraction form
    151,718.70/227,578.05 = 149,750.40/x
  3. Step 3: Cross multiply
    151,718.70x = 227,578.05 × 149,750.40
  4. Step 4: Simplify right side
    151,718.70x = 34,079,904,018.72
  5. Step 5: Solve for x
    x = 34,079,904,018.72/151,718.70
  6. Step 6: Final answer
    x = 224,625.60

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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.