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Finding the Fourth Proportional to 132,163.84, 182,384.29 and 71,736.69

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Solution

The fourth proportional to 132,163.84, 182,384.29 and 71,736.69 is: 98,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,163.84 : 182,384.29 = 71,736.69 : x
  2. Step 2: Convert to fraction form
    132,163.84/182,384.29 = 71,736.69/x
  3. Step 3: Cross multiply
    132,163.84x = 182,384.29 × 71,736.69
  4. Step 4: Simplify right side
    132,163.84x = 13,083,645,272.60
  5. Step 5: Solve for x
    x = 13,083,645,272.60/132,163.84
  6. Step 6: Final answer
    x = 98,995.65

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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.