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Finding the Fourth Proportional to 71,353.09, 107,030.69 and 33,917.01

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Solution

The fourth proportional to 71,353.09, 107,030.69 and 33,917.01 is: 50,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.09 : 107,030.69 = 33,917.01 : x
  2. Step 2: Convert to fraction form
    71,353.09/107,030.69 = 33,917.01/x
  3. Step 3: Cross multiply
    71,353.09x = 107,030.69 × 33,917.01
  4. Step 4: Simplify right side
    71,353.09x = 3,630,160,983.04
  5. Step 5: Solve for x
    x = 3,630,160,983.04/71,353.09
  6. Step 6: Final answer
    x = 50,876.02

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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.