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Finding the Fourth Proportional to 108,842.84, 163,327.24 and 45,657.30

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Solution

The fourth proportional to 108,842.84, 163,327.24 and 45,657.30 is: 68,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,842.84 : 163,327.24 = 45,657.30 : x
  2. Step 2: Convert to fraction form
    108,842.84/163,327.24 = 45,657.30/x
  3. Step 3: Cross multiply
    108,842.84x = 163,327.24 × 45,657.30
  4. Step 4: Simplify right side
    108,842.84x = 7,457,080,794.85
  5. Step 5: Solve for x
    x = 7,457,080,794.85/108,842.84
  6. Step 6: Final answer
    x = 68,512.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.