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Finding the Fourth Proportional to 271,652.85, 407,187.68 and 103,108.05

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Solution

The fourth proportional to 271,652.85, 407,187.68 and 103,108.05 is: 154,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,652.85 : 407,187.68 = 103,108.05 : x
  2. Step 2: Convert to fraction form
    271,652.85/407,187.68 = 103,108.05/x
  3. Step 3: Cross multiply
    271,652.85x = 407,187.68 × 103,108.05
  4. Step 4: Simplify right side
    271,652.85x = 41,984,327,153.28
  5. Step 5: Solve for x
    x = 41,984,327,153.28/271,652.85
  6. Step 6: Final answer
    x = 154,551.40

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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.