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Finding the Fourth Proportional to 132,550.80, 198,826.20 and 118,035.60

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Solution

The fourth proportional to 132,550.80, 198,826.20 and 118,035.60 is: 177,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,550.80 : 198,826.20 = 118,035.60 : x
  2. Step 2: Convert to fraction form
    132,550.80/198,826.20 = 118,035.60/x
  3. Step 3: Cross multiply
    132,550.80x = 198,826.20 × 118,035.60
  4. Step 4: Simplify right side
    132,550.80x = 23,468,569,812.72
  5. Step 5: Solve for x
    x = 23,468,569,812.72/132,550.80
  6. Step 6: Final answer
    x = 177,053.40

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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.