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Finding the Fourth Proportional to 183,578.62, 252,866.46 and 129,771.10

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Solution

The fourth proportional to 183,578.62, 252,866.46 and 129,771.10 is: 178,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,578.62 : 252,866.46 = 129,771.10 : x
  2. Step 2: Convert to fraction form
    183,578.62/252,866.46 = 129,771.10/x
  3. Step 3: Cross multiply
    183,578.62x = 252,866.46 × 129,771.10
  4. Step 4: Simplify right side
    183,578.62x = 32,814,758,667.31
  5. Step 5: Solve for x
    x = 32,814,758,667.31/183,578.62
  6. Step 6: Final answer
    x = 178,750.44

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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.