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Finding the Fourth Proportional to 186,179.34, 256,933.89 and 101,299.62

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Solution

The fourth proportional to 186,179.34, 256,933.89 and 101,299.62 is: 139,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,179.34 : 256,933.89 = 101,299.62 : x
  2. Step 2: Convert to fraction form
    186,179.34/256,933.89 = 101,299.62/x
  3. Step 3: Cross multiply
    186,179.34x = 256,933.89 × 101,299.62
  4. Step 4: Simplify right side
    186,179.34x = 26,027,305,422.12
  5. Step 5: Solve for x
    x = 26,027,305,422.12/186,179.34
  6. Step 6: Final answer
    x = 139,796.96

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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.