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Finding the Fourth Proportional to 88,556.86, 122,206.89 and 48,270.97

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Solution

The fourth proportional to 88,556.86, 122,206.89 and 48,270.97 is: 66,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,556.86 : 122,206.89 = 48,270.97 : x
  2. Step 2: Convert to fraction form
    88,556.86/122,206.89 = 48,270.97/x
  3. Step 3: Cross multiply
    88,556.86x = 122,206.89 × 48,270.97
  4. Step 4: Simplify right side
    88,556.86x = 5,899,045,120.98
  5. Step 5: Solve for x
    x = 5,899,045,120.98/88,556.86
  6. Step 6: Final answer
    x = 66,613.08

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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.