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Finding the Fourth Proportional to 192,889.52, 289,379.16 and 59,762.72

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Solution

The fourth proportional to 192,889.52, 289,379.16 and 59,762.72 is: 89,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,889.52 : 289,379.16 = 59,762.72 : x
  2. Step 2: Convert to fraction form
    192,889.52/289,379.16 = 59,762.72/x
  3. Step 3: Cross multiply
    192,889.52x = 289,379.16 × 59,762.72
  4. Step 4: Simplify right side
    192,889.52x = 17,294,085,712.92
  5. Step 5: Solve for x
    x = 17,294,085,712.92/192,889.52
  6. Step 6: Final answer
    x = 89,657.99

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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.