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Finding the Fourth Proportional to 173,744.40, 260,422.20 and 73,887.60

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Solution

The fourth proportional to 173,744.40, 260,422.20 and 73,887.60 is: 110,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,744.40 : 260,422.20 = 73,887.60 : x
  2. Step 2: Convert to fraction form
    173,744.40/260,422.20 = 73,887.60/x
  3. Step 3: Cross multiply
    173,744.40x = 260,422.20 × 73,887.60
  4. Step 4: Simplify right side
    173,744.40x = 19,241,971,344.72
  5. Step 5: Solve for x
    x = 19,241,971,344.72/173,744.40
  6. Step 6: Final answer
    x = 110,748.73

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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.