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Finding the Fourth Proportional to 192,857.16, 289,313.10 and 59,747.88

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Solution

The fourth proportional to 192,857.16, 289,313.10 and 59,747.88 is: 89,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,857.16 : 289,313.10 = 59,747.88 : x
  2. Step 2: Convert to fraction form
    192,857.16/289,313.10 = 59,747.88/x
  3. Step 3: Cross multiply
    192,857.16x = 289,313.10 × 59,747.88
  4. Step 4: Simplify right side
    192,857.16x = 17,285,844,381.23
  5. Step 5: Solve for x
    x = 17,285,844,381.23/192,857.16
  6. Step 6: Final answer
    x = 89,630.30

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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.