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Finding the Fourth Proportional to 107,924.61, 161,900.51 and 36,860.70

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Solution

The fourth proportional to 107,924.61, 161,900.51 and 36,860.70 is: 55,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,924.61 : 161,900.51 = 36,860.70 : x
  2. Step 2: Convert to fraction form
    107,924.61/161,900.51 = 36,860.70/x
  3. Step 3: Cross multiply
    107,924.61x = 161,900.51 × 36,860.70
  4. Step 4: Simplify right side
    107,924.61x = 5,967,765,944.65
  5. Step 5: Solve for x
    x = 5,967,765,944.65/107,924.61
  6. Step 6: Final answer
    x = 55,295.69

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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.