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Finding the Fourth Proportional to 283,379.28, 424,777.32 and 125,682

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Solution

The fourth proportional to 283,379.28, 424,777.32 and 125,682 is: 188,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,379.28 : 424,777.32 = 125,682 : x
  2. Step 2: Convert to fraction form
    283,379.28/424,777.32 = 125,682/x
  3. Step 3: Cross multiply
    283,379.28x = 424,777.32 × 125,682
  4. Step 4: Simplify right side
    283,379.28x = 53,386,863,132.24
  5. Step 5: Solve for x
    x = 53,386,863,132.24/283,379.28
  6. Step 6: Final answer
    x = 188,393.67

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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.