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Finding the Fourth Proportional to 129,357, 194,035.50 and 35,862.75

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Solution

The fourth proportional to 129,357, 194,035.50 and 35,862.75 is: 53,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,357 : 194,035.50 = 35,862.75 : x
  2. Step 2: Convert to fraction form
    129,357/194,035.50 = 35,862.75/x
  3. Step 3: Cross multiply
    129,357x = 194,035.50 × 35,862.75
  4. Step 4: Simplify right side
    129,357x = 6,958,646,627.63
  5. Step 5: Solve for x
    x = 6,958,646,627.63/129,357
  6. Step 6: Final answer
    x = 53,794.13

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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.