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Finding the Fourth Proportional to 208,076.37, 287,114.60 and 126,362.13

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Solution

The fourth proportional to 208,076.37, 287,114.60 and 126,362.13 is: 174,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,076.37 : 287,114.60 = 126,362.13 : x
  2. Step 2: Convert to fraction form
    208,076.37/287,114.60 = 126,362.13/x
  3. Step 3: Cross multiply
    208,076.37x = 287,114.60 × 126,362.13
  4. Step 4: Simplify right side
    208,076.37x = 36,280,410,974.53
  5. Step 5: Solve for x
    x = 36,280,410,974.53/208,076.37
  6. Step 6: Final answer
    x = 174,361.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.