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Finding the Fourth Proportional to 63,928.88, 88,253.16 and 49,556.96

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Solution

The fourth proportional to 63,928.88, 88,253.16 and 49,556.96 is: 68,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,928.88 : 88,253.16 = 49,556.96 : x
  2. Step 2: Convert to fraction form
    63,928.88/88,253.16 = 49,556.96/x
  3. Step 3: Cross multiply
    63,928.88x = 88,253.16 × 49,556.96
  4. Step 4: Simplify right side
    63,928.88x = 4,373,558,319.99
  5. Step 5: Solve for x
    x = 4,373,558,319.99/63,928.88
  6. Step 6: Final answer
    x = 68,412.87

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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.