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Finding the Fourth Proportional to 271,341.67, 407,015.96 and 102,816.72

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Solution

The fourth proportional to 271,341.67, 407,015.96 and 102,816.72 is: 154,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,341.67 : 407,015.96 = 102,816.72 : x
  2. Step 2: Convert to fraction form
    271,341.67/407,015.96 = 102,816.72/x
  3. Step 3: Cross multiply
    271,341.67x = 407,015.96 × 102,816.72
  4. Step 4: Simplify right side
    271,341.67x = 41,848,045,994.85
  5. Step 5: Solve for x
    x = 41,848,045,994.85/271,341.67
  6. Step 6: Final answer
    x = 154,226.39

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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.