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Finding the Fourth Proportional to 183,349.50, 252,942.12 and 129,680.52

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Solution

The fourth proportional to 183,349.50, 252,942.12 and 129,680.52 is: 178,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,349.50 : 252,942.12 = 129,680.52 : x
  2. Step 2: Convert to fraction form
    183,349.50/252,942.12 = 129,680.52/x
  3. Step 3: Cross multiply
    183,349.50x = 252,942.12 × 129,680.52
  4. Step 4: Simplify right side
    183,349.50x = 32,801,665,651.50
  5. Step 5: Solve for x
    x = 32,801,665,651.50/183,349.50
  6. Step 6: Final answer
    x = 178,902.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.