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Finding the Fourth Proportional to 71,368.54, 107,055.24 and 33,909.28

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Solution

The fourth proportional to 71,368.54, 107,055.24 and 33,909.28 is: 50,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,368.54 : 107,055.24 = 33,909.28 : x
  2. Step 2: Convert to fraction form
    71,368.54/107,055.24 = 33,909.28/x
  3. Step 3: Cross multiply
    71,368.54x = 107,055.24 × 33,909.28
  4. Step 4: Simplify right side
    71,368.54x = 3,630,166,108.63
  5. Step 5: Solve for x
    x = 3,630,166,108.63/71,368.54
  6. Step 6: Final answer
    x = 50,865.07

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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.