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Finding the Fourth Proportional to 61,179.50, 91,758.28 and 16,201.14

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Solution

The fourth proportional to 61,179.50, 91,758.28 and 16,201.14 is: 24,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.50 : 91,758.28 = 16,201.14 : x
  2. Step 2: Convert to fraction form
    61,179.50/91,758.28 = 16,201.14/x
  3. Step 3: Cross multiply
    61,179.50x = 91,758.28 × 16,201.14
  4. Step 4: Simplify right side
    61,179.50x = 1,486,588,659.43
  5. Step 5: Solve for x
    x = 1,486,588,659.43/61,179.50
  6. Step 6: Final answer
    x = 24,298.80

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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.