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Finding the Fourth Proportional to 73,755.21, 110,528.17 and 56,824.17

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Solution

The fourth proportional to 73,755.21, 110,528.17 and 56,824.17 is: 85,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,755.21 : 110,528.17 = 56,824.17 : x
  2. Step 2: Convert to fraction form
    73,755.21/110,528.17 = 56,824.17/x
  3. Step 3: Cross multiply
    73,755.21x = 110,528.17 × 56,824.17
  4. Step 4: Simplify right side
    73,755.21x = 6,280,670,685.11
  5. Step 5: Solve for x
    x = 6,280,670,685.11/73,755.21
  6. Step 6: Final answer
    x = 85,155.63

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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.