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Finding the Fourth Proportional to 13,944,041.20, 20,958,052.20 and 12,096,463.60

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Solution

The fourth proportional to 13,944,041.20, 20,958,052.20 and 12,096,463.60 is: 18,181,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944,041.20 : 20,958,052.20 = 12,096,463.60 : x
  2. Step 2: Convert to fraction form
    13,944,041.20/20,958,052.20 = 12,096,463.60/x
  3. Step 3: Cross multiply
    13,944,041.20x = 20,958,052.20 × 12,096,463.60
  4. Step 4: Simplify right side
    13,944,041.20x = 253,518,315,564,199.91
  5. Step 5: Solve for x
    x = 253,518,315,564,199.91/13,944,041.20
  6. Step 6: Final answer
    x = 18,181,122.10

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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.