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Finding the Fourth Proportional to 303,845.76, 455,680.80 and 116,812.80

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Solution

The fourth proportional to 303,845.76, 455,680.80 and 116,812.80 is: 175,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,845.76 : 455,680.80 = 116,812.80 : x
  2. Step 2: Convert to fraction form
    303,845.76/455,680.80 = 116,812.80/x
  3. Step 3: Cross multiply
    303,845.76x = 455,680.80 × 116,812.80
  4. Step 4: Simplify right side
    303,845.76x = 53,229,350,154.24
  5. Step 5: Solve for x
    x = 53,229,350,154.24/303,845.76
  6. Step 6: Final answer
    x = 175,185.43

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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.