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Finding the Fourth Proportional to 205,771.60, 308,511.60 and 93,505.60

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Solution

The fourth proportional to 205,771.60, 308,511.60 and 93,505.60 is: 140,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,771.60 : 308,511.60 = 93,505.60 : x
  2. Step 2: Convert to fraction form
    205,771.60/308,511.60 = 93,505.60/x
  3. Step 3: Cross multiply
    205,771.60x = 308,511.60 × 93,505.60
  4. Step 4: Simplify right side
    205,771.60x = 28,847,562,264.96
  5. Step 5: Solve for x
    x = 28,847,562,264.96/205,771.60
  6. Step 6: Final answer
    x = 140,192.15

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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.