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Finding the Fourth Proportional to 86,598.64, 119,493.31 and 52,589.44

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Solution

The fourth proportional to 86,598.64, 119,493.31 and 52,589.44 is: 72,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,598.64 : 119,493.31 = 52,589.44 : x
  2. Step 2: Convert to fraction form
    86,598.64/119,493.31 = 52,589.44/x
  3. Step 3: Cross multiply
    86,598.64x = 119,493.31 × 52,589.44
  4. Step 4: Simplify right side
    86,598.64x = 6,284,086,256.65
  5. Step 5: Solve for x
    x = 6,284,086,256.65/86,598.64
  6. Step 6: Final answer
    x = 72,565.65

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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.