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Finding the Fourth Proportional to 129,037, 193,555.50 and 35,542.76

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Solution

The fourth proportional to 129,037, 193,555.50 and 35,542.76 is: 53,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,037 : 193,555.50 = 35,542.76 : x
  2. Step 2: Convert to fraction form
    129,037/193,555.50 = 35,542.76/x
  3. Step 3: Cross multiply
    129,037x = 193,555.50 × 35,542.76
  4. Step 4: Simplify right side
    129,037x = 6,879,496,683.18
  5. Step 5: Solve for x
    x = 6,879,496,683.18/129,037
  6. Step 6: Final answer
    x = 53,314.14

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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.