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Finding the Fourth Proportional to 271,444.80, 407,162.40 and 111,486.08

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Solution

The fourth proportional to 271,444.80, 407,162.40 and 111,486.08 is: 167,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,444.80 : 407,162.40 = 111,486.08 : x
  2. Step 2: Convert to fraction form
    271,444.80/407,162.40 = 111,486.08/x
  3. Step 3: Cross multiply
    271,444.80x = 407,162.40 × 111,486.08
  4. Step 4: Simplify right side
    271,444.80x = 45,392,939,899.39
  5. Step 5: Solve for x
    x = 45,392,939,899.39/271,444.80
  6. Step 6: Final answer
    x = 167,227.15

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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.