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Finding the Fourth Proportional to 252,624.64, 348,624.88 and 139,447.44

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Solution

The fourth proportional to 252,624.64, 348,624.88 and 139,447.44 is: 192,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,624.64 : 348,624.88 = 139,447.44 : x
  2. Step 2: Convert to fraction form
    252,624.64/348,624.88 = 139,447.44/x
  3. Step 3: Cross multiply
    252,624.64x = 348,624.88 × 139,447.44
  4. Step 4: Simplify right side
    252,624.64x = 48,614,847,036.31
  5. Step 5: Solve for x
    x = 48,614,847,036.31/252,624.64
  6. Step 6: Final answer
    x = 192,439.06

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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.