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Finding the Fourth Proportional to 124,635.88, 186,711.90 and 110,673.64

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Solution

The fourth proportional to 124,635.88, 186,711.90 and 110,673.64 is: 165,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,635.88 : 186,711.90 = 110,673.64 : x
  2. Step 2: Convert to fraction form
    124,635.88/186,711.90 = 110,673.64/x
  3. Step 3: Cross multiply
    124,635.88x = 186,711.90 × 110,673.64
  4. Step 4: Simplify right side
    124,635.88x = 20,664,085,604.32
  5. Step 5: Solve for x
    x = 20,664,085,604.32/124,635.88
  6. Step 6: Final answer
    x = 165,795.64

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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.