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Finding the Fourth Proportional to 71,597.36, 107,402.52 and 29,467.64

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Solution

The fourth proportional to 71,597.36, 107,402.52 and 29,467.64 is: 44,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,597.36 : 107,402.52 = 29,467.64 : x
  2. Step 2: Convert to fraction form
    71,597.36/107,402.52 = 29,467.64/x
  3. Step 3: Cross multiply
    71,597.36x = 107,402.52 × 29,467.64
  4. Step 4: Simplify right side
    71,597.36x = 3,164,898,794.45
  5. Step 5: Solve for x
    x = 3,164,898,794.45/71,597.36
  6. Step 6: Final answer
    x = 44,204.13

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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.