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Finding the Fourth Proportional to 71,818.52, 107,776.98 and 25,071.39

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Solution

The fourth proportional to 71,818.52, 107,776.98 and 25,071.39 is: 37,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,818.52 : 107,776.98 = 25,071.39 : x
  2. Step 2: Convert to fraction form
    71,818.52/107,776.98 = 25,071.39/x
  3. Step 3: Cross multiply
    71,818.52x = 107,776.98 × 25,071.39
  4. Step 4: Simplify right side
    71,818.52x = 2,702,118,698.60
  5. Step 5: Solve for x
    x = 2,702,118,698.60/71,818.52
  6. Step 6: Final answer
    x = 37,624.26

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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.