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Finding the Fourth Proportional to 205,855.60, 308,637.60 and 93,589.60

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Solution

The fourth proportional to 205,855.60, 308,637.60 and 93,589.60 is: 140,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,855.60 : 308,637.60 = 93,589.60 : x
  2. Step 2: Convert to fraction form
    205,855.60/308,637.60 = 93,589.60/x
  3. Step 3: Cross multiply
    205,855.60x = 308,637.60 × 93,589.60
  4. Step 4: Simplify right side
    205,855.60x = 28,885,269,528.96
  5. Step 5: Solve for x
    x = 28,885,269,528.96/205,855.60
  6. Step 6: Final answer
    x = 140,318.11

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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.