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Finding the Fourth Proportional to 252,759.62, 348,808.29 and 139,589.66

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Solution

The fourth proportional to 252,759.62, 348,808.29 and 139,589.66 is: 192,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,759.62 : 348,808.29 = 139,589.66 : x
  2. Step 2: Convert to fraction form
    252,759.62/348,808.29 = 139,589.66/x
  3. Step 3: Cross multiply
    252,759.62x = 348,808.29 × 139,589.66
  4. Step 4: Simplify right side
    252,759.62x = 48,690,030,606.28
  5. Step 5: Solve for x
    x = 48,690,030,606.28/252,759.62
  6. Step 6: Final answer
    x = 192,633.74

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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.