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Finding the Fourth Proportional to 92,893.87, 128,189.26 and 52,607.93

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Solution

The fourth proportional to 92,893.87, 128,189.26 and 52,607.93 is: 72,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.87 : 128,189.26 = 52,607.93 : x
  2. Step 2: Convert to fraction form
    92,893.87/128,189.26 = 52,607.93/x
  3. Step 3: Cross multiply
    92,893.87x = 128,189.26 × 52,607.93
  4. Step 4: Simplify right side
    92,893.87x = 6,743,770,893.69
  5. Step 5: Solve for x
    x = 6,743,770,893.69/92,893.87
  6. Step 6: Final answer
    x = 72,596.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.