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Finding the Fourth Proportional to 16,154.70, 24,232.05 and 14,145.90

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Solution

The fourth proportional to 16,154.70, 24,232.05 and 14,145.90 is: 21,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,154.70 : 24,232.05 = 14,145.90 : x
  2. Step 2: Convert to fraction form
    16,154.70/24,232.05 = 14,145.90/x
  3. Step 3: Cross multiply
    16,154.70x = 24,232.05 × 14,145.90
  4. Step 4: Simplify right side
    16,154.70x = 342,784,156.10
  5. Step 5: Solve for x
    x = 342,784,156.10/16,154.70
  6. Step 6: Final answer
    x = 21,218.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.