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Finding the Fourth Proportional to 199,299.61, 275,033.30 and 108,655.57

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Solution

The fourth proportional to 199,299.61, 275,033.30 and 108,655.57 is: 149,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,299.61 : 275,033.30 = 108,655.57 : x
  2. Step 2: Convert to fraction form
    199,299.61/275,033.30 = 108,655.57/x
  3. Step 3: Cross multiply
    199,299.61x = 275,033.30 × 108,655.57
  4. Step 4: Simplify right side
    199,299.61x = 29,883,899,980.48
  5. Step 5: Solve for x
    x = 29,883,899,980.48/199,299.61
  6. Step 6: Final answer
    x = 149,944.60

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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.