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Finding the Fourth Proportional to 106,959.22, 147,604.89 and 59,213.41

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Solution

The fourth proportional to 106,959.22, 147,604.89 and 59,213.41 is: 81,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,959.22 : 147,604.89 = 59,213.41 : x
  2. Step 2: Convert to fraction form
    106,959.22/147,604.89 = 59,213.41/x
  3. Step 3: Cross multiply
    106,959.22x = 147,604.89 × 59,213.41
  4. Step 4: Simplify right side
    106,959.22x = 8,740,188,869.57
  5. Step 5: Solve for x
    x = 8,740,188,869.57/106,959.22
  6. Step 6: Final answer
    x = 81,715.15

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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.