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Finding the Fourth Proportional to 132,620.68, 183,016.02 and 72,194.68

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Solution

The fourth proportional to 132,620.68, 183,016.02 and 72,194.68 is: 99,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,620.68 : 183,016.02 = 72,194.68 : x
  2. Step 2: Convert to fraction form
    132,620.68/183,016.02 = 72,194.68/x
  3. Step 3: Cross multiply
    132,620.68x = 183,016.02 × 72,194.68
  4. Step 4: Simplify right side
    132,620.68x = 13,212,782,998.77
  5. Step 5: Solve for x
    x = 13,212,782,998.77/132,620.68
  6. Step 6: Final answer
    x = 99,628.38

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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.