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Finding the Fourth Proportional to 103,155.80, 154,682.62 and 36,585.95

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Solution

The fourth proportional to 103,155.80, 154,682.62 and 36,585.95 is: 54,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,155.80 : 154,682.62 = 36,585.95 : x
  2. Step 2: Convert to fraction form
    103,155.80/154,682.62 = 36,585.95/x
  3. Step 3: Cross multiply
    103,155.80x = 154,682.62 × 36,585.95
  4. Step 4: Simplify right side
    103,155.80x = 5,659,209,736.31
  5. Step 5: Solve for x
    x = 5,659,209,736.31/103,155.80
  6. Step 6: Final answer
    x = 54,860.80

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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.