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Finding the Fourth Proportional to 192,473.28, 265,661.28 and 154,082.88

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Solution

The fourth proportional to 192,473.28, 265,661.28 and 154,082.88 is: 212,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,473.28 : 265,661.28 = 154,082.88 : x
  2. Step 2: Convert to fraction form
    192,473.28/265,661.28 = 154,082.88/x
  3. Step 3: Cross multiply
    192,473.28x = 265,661.28 × 154,082.88
  4. Step 4: Simplify right side
    192,473.28x = 40,933,855,126.89
  5. Step 5: Solve for x
    x = 40,933,855,126.89/192,473.28
  6. Step 6: Final answer
    x = 212,672.92

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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.