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Finding the Fourth Proportional to 92,893.37, 128,193.10 and 54,654.36

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Solution

The fourth proportional to 92,893.37, 128,193.10 and 54,654.36 is: 75,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.37 : 128,193.10 = 54,654.36 : x
  2. Step 2: Convert to fraction form
    92,893.37/128,193.10 = 54,654.36/x
  3. Step 3: Cross multiply
    92,893.37x = 128,193.10 × 54,654.36
  4. Step 4: Simplify right side
    92,893.37x = 7,006,310,922.68
  5. Step 5: Solve for x
    x = 7,006,310,922.68/92,893.37
  6. Step 6: Final answer
    x = 75,423.15

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1.5x scale

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.