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Finding the Fourth Proportional to 194,199.66, 291,315.30 and 53,958.30

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Solution

The fourth proportional to 194,199.66, 291,315.30 and 53,958.30 is: 80,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,199.66 : 291,315.30 = 53,958.30 : x
  2. Step 2: Convert to fraction form
    194,199.66/291,315.30 = 53,958.30/x
  3. Step 3: Cross multiply
    194,199.66x = 291,315.30 × 53,958.30
  4. Step 4: Simplify right side
    194,199.66x = 15,718,878,351.99
  5. Step 5: Solve for x
    x = 15,718,878,351.99/194,199.66
  6. Step 6: Final answer
    x = 80,941.84

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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.