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Finding the Fourth Proportional to 250,912.88, 375,877.23 and 145,510.41

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Solution

The fourth proportional to 250,912.88, 375,877.23 and 145,510.41 is: 217,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,912.88 : 375,877.23 = 145,510.41 : x
  2. Step 2: Convert to fraction form
    250,912.88/375,877.23 = 145,510.41/x
  3. Step 3: Cross multiply
    250,912.88x = 375,877.23 × 145,510.41
  4. Step 4: Simplify right side
    250,912.88x = 54,694,049,846.96
  5. Step 5: Solve for x
    x = 54,694,049,846.96/250,912.88
  6. Step 6: Final answer
    x = 217,980.24

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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.