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Finding the Fourth Proportional to 108,693.44, 149,996.80 and 60,302.70

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Solution

The fourth proportional to 108,693.44, 149,996.80 and 60,302.70 is: 83,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,693.44 : 149,996.80 = 60,302.70 : x
  2. Step 2: Convert to fraction form
    108,693.44/149,996.80 = 60,302.70/x
  3. Step 3: Cross multiply
    108,693.44x = 149,996.80 × 60,302.70
  4. Step 4: Simplify right side
    108,693.44x = 9,045,211,729.85
  5. Step 5: Solve for x
    x = 9,045,211,729.85/108,693.44
  6. Step 6: Final answer
    x = 83,217.65

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1.5x scale

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.