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Finding the Fourth Proportional to 186,257.88, 279,454.86 and 116,196.12

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Solution

The fourth proportional to 186,257.88, 279,454.86 and 116,196.12 is: 174,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,257.88 : 279,454.86 = 116,196.12 : x
  2. Step 2: Convert to fraction form
    186,257.88/279,454.86 = 116,196.12/x
  3. Step 3: Cross multiply
    186,257.88x = 279,454.86 × 116,196.12
  4. Step 4: Simplify right side
    186,257.88x = 32,471,570,447.14
  5. Step 5: Solve for x
    x = 32,471,570,447.14/186,257.88
  6. Step 6: Final answer
    x = 174,336.63

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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.