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Finding the Fourth Proportional to 224,361.86, 336,533.46 and 91,237

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Solution

The fourth proportional to 224,361.86, 336,533.46 and 91,237 is: 136,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,361.86 : 336,533.46 = 91,237 : x
  2. Step 2: Convert to fraction form
    224,361.86/336,533.46 = 91,237/x
  3. Step 3: Cross multiply
    224,361.86x = 336,533.46 × 91,237
  4. Step 4: Simplify right side
    224,361.86x = 30,704,303,290.02
  5. Step 5: Solve for x
    x = 30,704,303,290.02/224,361.86
  6. Step 6: Final answer
    x = 136,851.71

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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.