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Finding the Fourth Proportional to 140,995.34, 211,505.48 and 39,794.30

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Solution

The fourth proportional to 140,995.34, 211,505.48 and 39,794.30 is: 59,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,995.34 : 211,505.48 = 39,794.30 : x
  2. Step 2: Convert to fraction form
    140,995.34/211,505.48 = 39,794.30/x
  3. Step 3: Cross multiply
    140,995.34x = 211,505.48 × 39,794.30
  4. Step 4: Simplify right side
    140,995.34x = 8,416,711,266.27
  5. Step 5: Solve for x
    x = 8,416,711,266.27/140,995.34
  6. Step 6: Final answer
    x = 59,694.96

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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.