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Finding the Fourth Proportional to 129,567, 194,037.03 and 62,841.90

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Solution

The fourth proportional to 129,567, 194,037.03 and 62,841.90 is: 94,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,567 : 194,037.03 = 62,841.90 : x
  2. Step 2: Convert to fraction form
    129,567/194,037.03 = 62,841.90/x
  3. Step 3: Cross multiply
    129,567x = 194,037.03 × 62,841.90
  4. Step 4: Simplify right side
    129,567x = 12,193,655,635.56
  5. Step 5: Solve for x
    x = 12,193,655,635.56/129,567
  6. Step 6: Final answer
    x = 94,110.81

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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.