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Finding the Fourth Proportional to 229,700.14, 344,550.21 and 71,940.94

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Solution

The fourth proportional to 229,700.14, 344,550.21 and 71,940.94 is: 107,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,700.14 : 344,550.21 = 71,940.94 : x
  2. Step 2: Convert to fraction form
    229,700.14/344,550.21 = 71,940.94/x
  3. Step 3: Cross multiply
    229,700.14x = 344,550.21 × 71,940.94
  4. Step 4: Simplify right side
    229,700.14x = 24,787,265,984.60
  5. Step 5: Solve for x
    x = 24,787,265,984.60/229,700.14
  6. Step 6: Final answer
    x = 107,911.41

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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.