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Finding the Fourth Proportional to 192,834.42, 289,221.93 and 52,603.98

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Solution

The fourth proportional to 192,834.42, 289,221.93 and 52,603.98 is: 78,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,834.42 : 289,221.93 = 52,603.98 : x
  2. Step 2: Convert to fraction form
    192,834.42/289,221.93 = 52,603.98/x
  3. Step 3: Cross multiply
    192,834.42x = 289,221.93 × 52,603.98
  4. Step 4: Simplify right side
    192,834.42x = 15,214,224,621.28
  5. Step 5: Solve for x
    x = 15,214,224,621.28/192,834.42
  6. Step 6: Final answer
    x = 78,897.87

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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.