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Finding the Fourth Proportional to 212,811.44, 319,119.16 and 62,998.16

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Solution

The fourth proportional to 212,811.44, 319,119.16 and 62,998.16 is: 94,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,811.44 : 319,119.16 = 62,998.16 : x
  2. Step 2: Convert to fraction form
    212,811.44/319,119.16 = 62,998.16/x
  3. Step 3: Cross multiply
    212,811.44x = 319,119.16 × 62,998.16
  4. Step 4: Simplify right side
    212,811.44x = 20,103,919,900.75
  5. Step 5: Solve for x
    x = 20,103,919,900.75/212,811.44
  6. Step 6: Final answer
    x = 94,468.23

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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.