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Finding the Fourth Proportional to 180,989.60, 271,419.36 and 62,628.80

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Solution

The fourth proportional to 180,989.60, 271,419.36 and 62,628.80 is: 93,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,989.60 : 271,419.36 = 62,628.80 : x
  2. Step 2: Convert to fraction form
    180,989.60/271,419.36 = 62,628.80/x
  3. Step 3: Cross multiply
    180,989.60x = 271,419.36 × 62,628.80
  4. Step 4: Simplify right side
    180,989.60x = 16,998,668,813.57
  5. Step 5: Solve for x
    x = 16,998,668,813.57/180,989.60
  6. Step 6: Final answer
    x = 93,920.69

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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.