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Finding the Fourth Proportional to 186,704.30, 279,538.05 and 181,520.30

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Solution

The fourth proportional to 186,704.30, 279,538.05 and 181,520.30 is: 271,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,704.30 : 279,538.05 = 181,520.30 : x
  2. Step 2: Convert to fraction form
    186,704.30/279,538.05 = 181,520.30/x
  3. Step 3: Cross multiply
    186,704.30x = 279,538.05 × 181,520.30
  4. Step 4: Simplify right side
    186,704.30x = 50,741,830,697.42
  5. Step 5: Solve for x
    x = 50,741,830,697.42/186,704.30
  6. Step 6: Final answer
    x = 271,776.44

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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.