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Finding the Fourth Proportional to 303,051.27, 454,627.94 and 92,640

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Solution

The fourth proportional to 303,051.27, 454,627.94 and 92,640 is: 138,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,051.27 : 454,627.94 = 92,640 : x
  2. Step 2: Convert to fraction form
    303,051.27/454,627.94 = 92,640/x
  3. Step 3: Cross multiply
    303,051.27x = 454,627.94 × 92,640
  4. Step 4: Simplify right side
    303,051.27x = 42,116,732,361.60
  5. Step 5: Solve for x
    x = 42,116,732,361.60/303,051.27
  6. Step 6: Final answer
    x = 138,975.60

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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.