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Finding the Fourth Proportional to 107,185.80, 160,801.80 and 36,115.56

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Solution

The fourth proportional to 107,185.80, 160,801.80 and 36,115.56 is: 54,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,185.80 : 160,801.80 = 36,115.56 : x
  2. Step 2: Convert to fraction form
    107,185.80/160,801.80 = 36,115.56/x
  3. Step 3: Cross multiply
    107,185.80x = 160,801.80 × 36,115.56
  4. Step 4: Simplify right side
    107,185.80x = 5,807,447,056.01
  5. Step 5: Solve for x
    x = 5,807,447,056.01/107,185.80
  6. Step 6: Final answer
    x = 54,181.12

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1.5x scale

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.