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Finding the Fourth Proportional to 252,040.64, 347,823.96 and 144,630.32

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Solution

The fourth proportional to 252,040.64, 347,823.96 and 144,630.32 is: 199,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,040.64 : 347,823.96 = 144,630.32 : x
  2. Step 2: Convert to fraction form
    252,040.64/347,823.96 = 144,630.32/x
  3. Step 3: Cross multiply
    252,040.64x = 347,823.96 × 144,630.32
  4. Step 4: Simplify right side
    252,040.64x = 50,305,890,638.47
  5. Step 5: Solve for x
    x = 50,305,890,638.47/252,040.64
  6. Step 6: Final answer
    x = 199,594.36

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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.