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Finding the Fourth Proportional to 271,625.72, 407,460.36 and 103,226.72

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Solution

The fourth proportional to 271,625.72, 407,460.36 and 103,226.72 is: 154,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,625.72 : 407,460.36 = 103,226.72 : x
  2. Step 2: Convert to fraction form
    271,625.72/407,460.36 = 103,226.72/x
  3. Step 3: Cross multiply
    271,625.72x = 407,460.36 × 103,226.72
  4. Step 4: Simplify right side
    271,625.72x = 42,060,796,492.82
  5. Step 5: Solve for x
    x = 42,060,796,492.82/271,625.72
  6. Step 6: Final answer
    x = 154,848.36

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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.