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Finding the Fourth Proportional to 271,502,391.20, 407,253,586.80 and 98,984,832.80

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Solution

The fourth proportional to 271,502,391.20, 407,253,586.80 and 98,984,832.80 is: 148,477,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,502,391.20 : 407,253,586.80 = 98,984,832.80 : x
  2. Step 2: Convert to fraction form
    271,502,391.20/407,253,586.80 = 98,984,832.80/x
  3. Step 3: Cross multiply
    271,502,391.20x = 407,253,586.80 × 98,984,832.80
  4. Step 4: Simplify right side
    271,502,391.20x = 40,311,928,196,598,288
  5. Step 5: Solve for x
    x = 40,311,928,196,598,288/271,502,391.20
  6. Step 6: Final answer
    x = 148,477,249.20

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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.