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Finding the Fourth Proportional to 150,402.89, 225,593.06 and 43,787.67

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Solution

The fourth proportional to 150,402.89, 225,593.06 and 43,787.67 is: 65,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,402.89 : 225,593.06 = 43,787.67 : x
  2. Step 2: Convert to fraction form
    150,402.89/225,593.06 = 43,787.67/x
  3. Step 3: Cross multiply
    150,402.89x = 225,593.06 × 43,787.67
  4. Step 4: Simplify right side
    150,402.89x = 9,878,193,118.67
  5. Step 5: Solve for x
    x = 9,878,193,118.67/150,402.89
  6. Step 6: Final answer
    x = 65,678.21

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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.