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Finding the Fourth Proportional to 271,997.95, 375,349.72 and 151,136.13

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Solution

The fourth proportional to 271,997.95, 375,349.72 and 151,136.13 is: 208,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,997.95 : 375,349.72 = 151,136.13 : x
  2. Step 2: Convert to fraction form
    271,997.95/375,349.72 = 151,136.13/x
  3. Step 3: Cross multiply
    271,997.95x = 375,349.72 × 151,136.13
  4. Step 4: Simplify right side
    271,997.95x = 56,728,904,077.38
  5. Step 5: Solve for x
    x = 56,728,904,077.38/271,997.95
  6. Step 6: Final answer
    x = 208,563.72

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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.