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Finding the Fourth Proportional to 73,503.76, 110,292.10 and 29,129.54

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Solution

The fourth proportional to 73,503.76, 110,292.10 and 29,129.54 is: 43,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,503.76 : 110,292.10 = 29,129.54 : x
  2. Step 2: Convert to fraction form
    73,503.76/110,292.10 = 29,129.54/x
  3. Step 3: Cross multiply
    73,503.76x = 110,292.10 × 29,129.54
  4. Step 4: Simplify right side
    73,503.76x = 3,212,758,138.63
  5. Step 5: Solve for x
    x = 3,212,758,138.63/73,503.76
  6. Step 6: Final answer
    x = 43,708.76

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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.