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Finding the Fourth Proportional to 192,188.52, 288,133.38 and 124,577.82

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Solution

The fourth proportional to 192,188.52, 288,133.38 and 124,577.82 is: 186,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,188.52 : 288,133.38 = 124,577.82 : x
  2. Step 2: Convert to fraction form
    192,188.52/288,133.38 = 124,577.82/x
  3. Step 3: Cross multiply
    192,188.52x = 288,133.38 × 124,577.82
  4. Step 4: Simplify right side
    192,188.52x = 35,895,028,349.63
  5. Step 5: Solve for x
    x = 35,895,028,349.63/192,188.52
  6. Step 6: Final answer
    x = 186,769.89

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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.