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Finding the Fourth Proportional to 73,225.70, 109,968.15 and 56,626.10

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Solution

The fourth proportional to 73,225.70, 109,968.15 and 56,626.10 is: 85,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.70 : 109,968.15 = 56,626.10 : x
  2. Step 2: Convert to fraction form
    73,225.70/109,968.15 = 56,626.10/x
  3. Step 3: Cross multiply
    73,225.70x = 109,968.15 × 56,626.10
  4. Step 4: Simplify right side
    73,225.70x = 6,227,067,458.72
  5. Step 5: Solve for x
    x = 6,227,067,458.72/73,225.70
  6. Step 6: Final answer
    x = 85,039.37

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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.