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Finding the Fourth Proportional to 106,659.63, 159,955.41 and 43,479.63

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Solution

The fourth proportional to 106,659.63, 159,955.41 and 43,479.63 is: 65,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,659.63 : 159,955.41 = 43,479.63 : x
  2. Step 2: Convert to fraction form
    106,659.63/159,955.41 = 43,479.63/x
  3. Step 3: Cross multiply
    106,659.63x = 159,955.41 × 43,479.63
  4. Step 4: Simplify right side
    106,659.63x = 6,954,802,043.30
  5. Step 5: Solve for x
    x = 6,954,802,043.30/106,659.63
  6. Step 6: Final answer
    x = 65,205.57

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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.