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Finding the Fourth Proportional to 73,529.40, 110,294.10 and 56,940.60

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Solution

The fourth proportional to 73,529.40, 110,294.10 and 56,940.60 is: 85,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,529.40 : 110,294.10 = 56,940.60 : x
  2. Step 2: Convert to fraction form
    73,529.40/110,294.10 = 56,940.60/x
  3. Step 3: Cross multiply
    73,529.40x = 110,294.10 × 56,940.60
  4. Step 4: Simplify right side
    73,529.40x = 6,280,212,230.46
  5. Step 5: Solve for x
    x = 6,280,212,230.46/73,529.40
  6. Step 6: Final answer
    x = 85,410.90

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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.