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Finding the Fourth Proportional to 129,393.50, 194,090.34 and 35,899.34

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Solution

The fourth proportional to 129,393.50, 194,090.34 and 35,899.34 is: 53,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,393.50 : 194,090.34 = 35,899.34 : x
  2. Step 2: Convert to fraction form
    129,393.50/194,090.34 = 35,899.34/x
  3. Step 3: Cross multiply
    129,393.50x = 194,090.34 × 35,899.34
  4. Step 4: Simplify right side
    129,393.50x = 6,967,715,106.38
  5. Step 5: Solve for x
    x = 6,967,715,106.38/129,393.50
  6. Step 6: Final answer
    x = 53,849.03

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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.