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Finding the Fourth Proportional to 71,472.98, 98,625.50 and 41,267.93

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Solution

The fourth proportional to 71,472.98, 98,625.50 and 41,267.93 is: 56,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,472.98 : 98,625.50 = 41,267.93 : x
  2. Step 2: Convert to fraction form
    71,472.98/98,625.50 = 41,267.93/x
  3. Step 3: Cross multiply
    71,472.98x = 98,625.50 × 41,267.93
  4. Step 4: Simplify right side
    71,472.98x = 4,070,070,240.27
  5. Step 5: Solve for x
    x = 4,070,070,240.27/71,472.98
  6. Step 6: Final answer
    x = 56,945.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.