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Finding the Fourth Proportional to 192,453.72, 265,587.03 and 107,568.96

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Solution

The fourth proportional to 192,453.72, 265,587.03 and 107,568.96 is: 148,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,453.72 : 265,587.03 = 107,568.96 : x
  2. Step 2: Convert to fraction form
    192,453.72/265,587.03 = 107,568.96/x
  3. Step 3: Cross multiply
    192,453.72x = 265,587.03 × 107,568.96
  4. Step 4: Simplify right side
    192,453.72x = 28,568,920,606.59
  5. Step 5: Solve for x
    x = 28,568,920,606.59/192,453.72
  6. Step 6: Final answer
    x = 148,445.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.