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Finding the Fourth Proportional to 132,656.76, 198,852.12 and 61,629.33

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Solution

The fourth proportional to 132,656.76, 198,852.12 and 61,629.33 is: 92,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,656.76 : 198,852.12 = 61,629.33 : x
  2. Step 2: Convert to fraction form
    132,656.76/198,852.12 = 61,629.33/x
  3. Step 3: Cross multiply
    132,656.76x = 198,852.12 × 61,629.33
  4. Step 4: Simplify right side
    132,656.76x = 12,255,122,924.68
  5. Step 5: Solve for x
    x = 12,255,122,924.68/132,656.76
  6. Step 6: Final answer
    x = 92,382.20

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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.