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Finding the Fourth Proportional to 183,334.92, 275,423.43 and 129,423.56

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Solution

The fourth proportional to 183,334.92, 275,423.43 and 129,423.56 is: 194,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,334.92 : 275,423.43 = 129,423.56 : x
  2. Step 2: Convert to fraction form
    183,334.92/275,423.43 = 129,423.56/x
  3. Step 3: Cross multiply
    183,334.92x = 275,423.43 × 129,423.56
  4. Step 4: Simplify right side
    183,334.92x = 35,646,279,440.89
  5. Step 5: Solve for x
    x = 35,646,279,440.89/183,334.92
  6. Step 6: Final answer
    x = 194,432.57

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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.