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Finding the Fourth Proportional to 61,536.87, 84,367.08 and 60,415.92

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Solution

The fourth proportional to 61,536.87, 84,367.08 and 60,415.92 is: 82,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536.87 : 84,367.08 = 60,415.92 : x
  2. Step 2: Convert to fraction form
    61,536.87/84,367.08 = 60,415.92/x
  3. Step 3: Cross multiply
    61,536.87x = 84,367.08 × 60,415.92
  4. Step 4: Simplify right side
    61,536.87x = 5,097,114,755.91
  5. Step 5: Solve for x
    x = 5,097,114,755.91/61,536.87
  6. Step 6: Final answer
    x = 82,830.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.