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Finding the Fourth Proportional to 108,755.70, 162,914.85 and 73,326.30

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Solution

The fourth proportional to 108,755.70, 162,914.85 and 73,326.30 is: 109,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755.70 : 162,914.85 = 73,326.30 : x
  2. Step 2: Convert to fraction form
    108,755.70/162,914.85 = 73,326.30/x
  3. Step 3: Cross multiply
    108,755.70x = 162,914.85 × 73,326.30
  4. Step 4: Simplify right side
    108,755.70x = 11,945,943,165.56
  5. Step 5: Solve for x
    x = 11,945,943,165.56/108,755.70
  6. Step 6: Final answer
    x = 109,842.00

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1.5x scale

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.