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Finding the Fourth Proportional to 192,815.82, 289,251.27 and 59,707.98

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Solution

The fourth proportional to 192,815.82, 289,251.27 and 59,707.98 is: 89,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,815.82 : 289,251.27 = 59,707.98 : x
  2. Step 2: Convert to fraction form
    192,815.82/289,251.27 = 59,707.98/x
  3. Step 3: Cross multiply
    192,815.82x = 289,251.27 × 59,707.98
  4. Step 4: Simplify right side
    192,815.82x = 17,270,609,044.13
  5. Step 5: Solve for x
    x = 17,270,609,044.13/192,815.82
  6. Step 6: Final answer
    x = 89,570.50

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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.