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Finding the Fourth Proportional to 192,402.60, 265,514.82 and 107,519.64

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Solution

The fourth proportional to 192,402.60, 265,514.82 and 107,519.64 is: 148,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,402.60 : 265,514.82 = 107,519.64 : x
  2. Step 2: Convert to fraction form
    192,402.60/265,514.82 = 107,519.64/x
  3. Step 3: Cross multiply
    192,402.60x = 265,514.82 × 107,519.64
  4. Step 4: Simplify right side
    192,402.60x = 28,548,057,861.06
  5. Step 5: Solve for x
    x = 28,548,057,861.06/192,402.60
  6. Step 6: Final answer
    x = 148,376.67

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1.5x scale

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.