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Finding the Fourth Proportional to 56,099.94, 84,149.25 and 16,119.89

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Solution

The fourth proportional to 56,099.94, 84,149.25 and 16,119.89 is: 24,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,099.94 : 84,149.25 = 16,119.89 : x
  2. Step 2: Convert to fraction form
    56,099.94/84,149.25 = 16,119.89/x
  3. Step 3: Cross multiply
    56,099.94x = 84,149.25 × 16,119.89
  4. Step 4: Simplify right side
    56,099.94x = 1,356,476,653.58
  5. Step 5: Solve for x
    x = 1,356,476,653.58/56,099.94
  6. Step 6: Final answer
    x = 24,179.65

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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.