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Finding the Fourth Proportional to 124,467.96, 186,589.60 and 84,500.40

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Solution

The fourth proportional to 124,467.96, 186,589.60 and 84,500.40 is: 126,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,467.96 : 186,589.60 = 84,500.40 : x
  2. Step 2: Convert to fraction form
    124,467.96/186,589.60 = 84,500.40/x
  3. Step 3: Cross multiply
    124,467.96x = 186,589.60 × 84,500.40
  4. Step 4: Simplify right side
    124,467.96x = 15,766,895,835.84
  5. Step 5: Solve for x
    x = 15,766,895,835.84/124,467.96
  6. Step 6: Final answer
    x = 126,674.33

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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.