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Finding the Fourth Proportional to 181,249.60, 271,874.40 and 172,064.20

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Solution

The fourth proportional to 181,249.60, 271,874.40 and 172,064.20 is: 258,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,249.60 : 271,874.40 = 172,064.20 : x
  2. Step 2: Convert to fraction form
    181,249.60/271,874.40 = 172,064.20/x
  3. Step 3: Cross multiply
    181,249.60x = 271,874.40 × 172,064.20
  4. Step 4: Simplify right side
    181,249.60x = 46,779,851,136.48
  5. Step 5: Solve for x
    x = 46,779,851,136.48/181,249.60
  6. Step 6: Final answer
    x = 258,096.30

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1.5x scale

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.