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Finding the Fourth Proportional to 224,592, 336,975.60 and 84,361.68

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Solution

The fourth proportional to 224,592, 336,975.60 and 84,361.68 is: 126,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,592 : 336,975.60 = 84,361.68 : x
  2. Step 2: Convert to fraction form
    224,592/336,975.60 = 84,361.68/x
  3. Step 3: Cross multiply
    224,592x = 336,975.60 × 84,361.68
  4. Step 4: Simplify right side
    224,592x = 28,427,827,735.01
  5. Step 5: Solve for x
    x = 28,427,827,735.01/224,592
  6. Step 6: Final answer
    x = 126,575.42

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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.