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Finding the Fourth Proportional to 271,016.68, 406,774.86 and 137,992.84

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Solution

The fourth proportional to 271,016.68, 406,774.86 and 137,992.84 is: 207,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,016.68 : 406,774.86 = 137,992.84 : x
  2. Step 2: Convert to fraction form
    271,016.68/406,774.86 = 137,992.84/x
  3. Step 3: Cross multiply
    271,016.68x = 406,774.86 × 137,992.84
  4. Step 4: Simplify right side
    271,016.68x = 56,132,018,172.00
  5. Step 5: Solve for x
    x = 56,132,018,172.00/271,016.68
  6. Step 6: Final answer
    x = 207,116.47

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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.