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Finding the Fourth Proportional to 92,876.96, 128,171.73 and 52,589.66

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Solution

The fourth proportional to 92,876.96, 128,171.73 and 52,589.66 is: 72,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,876.96 : 128,171.73 = 52,589.66 : x
  2. Step 2: Convert to fraction form
    92,876.96/128,171.73 = 52,589.66/x
  3. Step 3: Cross multiply
    92,876.96x = 128,171.73 × 52,589.66
  4. Step 4: Simplify right side
    92,876.96x = 6,740,507,702.31
  5. Step 5: Solve for x
    x = 6,740,507,702.31/92,876.96
  6. Step 6: Final answer
    x = 72,574.59

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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.