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Finding the Fourth Proportional to 207,492.06, 311,249.12 and 65,348.45

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Solution

The fourth proportional to 207,492.06, 311,249.12 and 65,348.45 is: 98,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,492.06 : 311,249.12 = 65,348.45 : x
  2. Step 2: Convert to fraction form
    207,492.06/311,249.12 = 65,348.45/x
  3. Step 3: Cross multiply
    207,492.06x = 311,249.12 × 65,348.45
  4. Step 4: Simplify right side
    207,492.06x = 20,339,647,719.24
  5. Step 5: Solve for x
    x = 20,339,647,719.24/207,492.06
  6. Step 6: Final answer
    x = 98,026.15

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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.