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Finding the Fourth Proportional to 68,349.20, 102,600.60 and 52,835.60

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Solution

The fourth proportional to 68,349.20, 102,600.60 and 52,835.60 is: 79,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349.20 : 102,600.60 = 52,835.60 : x
  2. Step 2: Convert to fraction form
    68,349.20/102,600.60 = 52,835.60/x
  3. Step 3: Cross multiply
    68,349.20x = 102,600.60 × 52,835.60
  4. Step 4: Simplify right side
    68,349.20x = 5,420,964,261.36
  5. Step 5: Solve for x
    x = 5,420,964,261.36/68,349.20
  6. Step 6: Final answer
    x = 79,312.77

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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.