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Finding the Fourth Proportional to 171,241.94, 236,408.90 and 103,276.21

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Solution

The fourth proportional to 171,241.94, 236,408.90 and 103,276.21 is: 142,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,241.94 : 236,408.90 = 103,276.21 : x
  2. Step 2: Convert to fraction form
    171,241.94/236,408.90 = 103,276.21/x
  3. Step 3: Cross multiply
    171,241.94x = 236,408.90 × 103,276.21
  4. Step 4: Simplify right side
    171,241.94x = 24,415,414,094.87
  5. Step 5: Solve for x
    x = 24,415,414,094.87/171,241.94
  6. Step 6: Final answer
    x = 142,578.47

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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.