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Finding the Fourth Proportional to 180,928.80, 271,344.60 and 62,636.40

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Solution

The fourth proportional to 180,928.80, 271,344.60 and 62,636.40 is: 93,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,928.80 : 271,344.60 = 62,636.40 : x
  2. Step 2: Convert to fraction form
    180,928.80/271,344.60 = 62,636.40/x
  3. Step 3: Cross multiply
    180,928.80x = 271,344.60 × 62,636.40
  4. Step 4: Simplify right side
    180,928.80x = 16,996,048,903.44
  5. Step 5: Solve for x
    x = 16,996,048,903.44/180,928.80
  6. Step 6: Final answer
    x = 93,937.77

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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.