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Finding the Fourth Proportional to 108,265.75, 149,393.70 and 59,861.09

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Solution

The fourth proportional to 108,265.75, 149,393.70 and 59,861.09 is: 82,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,265.75 : 149,393.70 = 59,861.09 : x
  2. Step 2: Convert to fraction form
    108,265.75/149,393.70 = 59,861.09/x
  3. Step 3: Cross multiply
    108,265.75x = 149,393.70 × 59,861.09
  4. Step 4: Simplify right side
    108,265.75x = 8,942,870,094.62
  5. Step 5: Solve for x
    x = 8,942,870,094.62/108,265.75
  6. Step 6: Final answer
    x = 82,601.10

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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.