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Finding the Fourth Proportional to 73,281.35, 109,905.41 and 37,221.25

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Solution

The fourth proportional to 73,281.35, 109,905.41 and 37,221.25 is: 55,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281.35 : 109,905.41 = 37,221.25 : x
  2. Step 2: Convert to fraction form
    73,281.35/109,905.41 = 37,221.25/x
  3. Step 3: Cross multiply
    73,281.35x = 109,905.41 × 37,221.25
  4. Step 4: Simplify right side
    73,281.35x = 4,090,816,483.39
  5. Step 5: Solve for x
    x = 4,090,816,483.39/73,281.35
  6. Step 6: Final answer
    x = 55,823.44

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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.