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Finding the Fourth Proportional to 271,019.93, 373,997.55 and 156,303.37

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Solution

The fourth proportional to 271,019.93, 373,997.55 and 156,303.37 is: 215,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,019.93 : 373,997.55 = 156,303.37 : x
  2. Step 2: Convert to fraction form
    271,019.93/373,997.55 = 156,303.37/x
  3. Step 3: Cross multiply
    271,019.93x = 373,997.55 × 156,303.37
  4. Step 4: Simplify right side
    271,019.93x = 58,457,078,490.38
  5. Step 5: Solve for x
    x = 58,457,078,490.38/271,019.93
  6. Step 6: Final answer
    x = 215,692.92

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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.