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Finding the Fourth Proportional to 71,303.39, 106,920.48 and 35,749.44

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Solution

The fourth proportional to 71,303.39, 106,920.48 and 35,749.44 is: 53,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,303.39 : 106,920.48 = 35,749.44 : x
  2. Step 2: Convert to fraction form
    71,303.39/106,920.48 = 35,749.44/x
  3. Step 3: Cross multiply
    71,303.39x = 106,920.48 × 35,749.44
  4. Step 4: Simplify right side
    71,303.39x = 3,822,347,284.53
  5. Step 5: Solve for x
    x = 3,822,347,284.53/71,303.39
  6. Step 6: Final answer
    x = 53,606.81

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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.