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Finding the Fourth Proportional to 70,800.40, 106,205.40 and 24,056.80

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Solution

The fourth proportional to 70,800.40, 106,205.40 and 24,056.80 is: 36,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,800.40 : 106,205.40 = 24,056.80 : x
  2. Step 2: Convert to fraction form
    70,800.40/106,205.40 = 24,056.80/x
  3. Step 3: Cross multiply
    70,800.40x = 106,205.40 × 24,056.80
  4. Step 4: Simplify right side
    70,800.40x = 2,554,962,066.72
  5. Step 5: Solve for x
    x = 2,554,962,066.72/70,800.40
  6. Step 6: Final answer
    x = 36,086.83

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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.