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Finding the Fourth Proportional to 92,876.73, 128,171.37 and 52,589.41

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Solution

The fourth proportional to 92,876.73, 128,171.37 and 52,589.41 is: 72,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,876.73 : 128,171.37 = 52,589.41 : x
  2. Step 2: Convert to fraction form
    92,876.73/128,171.37 = 52,589.41/x
  3. Step 3: Cross multiply
    92,876.73x = 128,171.37 × 52,589.41
  4. Step 4: Simplify right side
    92,876.73x = 6,740,456,727.19
  5. Step 5: Solve for x
    x = 6,740,456,727.19/92,876.73
  6. Step 6: Final answer
    x = 72,574.23

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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.