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Finding the Fourth Proportional to 252,489.30, 348,288.30 and 161,813.04

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Solution

The fourth proportional to 252,489.30, 348,288.30 and 161,813.04 is: 223,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,489.30 : 348,288.30 = 161,813.04 : x
  2. Step 2: Convert to fraction form
    252,489.30/348,288.30 = 161,813.04/x
  3. Step 3: Cross multiply
    252,489.30x = 348,288.30 × 161,813.04
  4. Step 4: Simplify right side
    252,489.30x = 56,357,588,619.43
  5. Step 5: Solve for x
    x = 56,357,588,619.43/252,489.30
  6. Step 6: Final answer
    x = 223,207.83

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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.