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Finding the Fourth Proportional to 207,766.36, 311,649.53 and 49,994.83

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Solution

The fourth proportional to 207,766.36, 311,649.53 and 49,994.83 is: 74,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,766.36 : 311,649.53 = 49,994.83 : x
  2. Step 2: Convert to fraction form
    207,766.36/311,649.53 = 49,994.83/x
  3. Step 3: Cross multiply
    207,766.36x = 311,649.53 × 49,994.83
  4. Step 4: Simplify right side
    207,766.36x = 15,580,864,242.83
  5. Step 5: Solve for x
    x = 15,580,864,242.83/207,766.36
  6. Step 6: Final answer
    x = 74,992.24

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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.