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Finding the Fourth Proportional to 63,118.88, 94,668.72 and 39,673.76

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Solution

The fourth proportional to 63,118.88, 94,668.72 and 39,673.76 is: 59,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,118.88 : 94,668.72 = 39,673.76 : x
  2. Step 2: Convert to fraction form
    63,118.88/94,668.72 = 39,673.76/x
  3. Step 3: Cross multiply
    63,118.88x = 94,668.72 × 39,673.76
  4. Step 4: Simplify right side
    63,118.88x = 3,755,864,076.79
  5. Step 5: Solve for x
    x = 3,755,864,076.79/63,118.88
  6. Step 6: Final answer
    x = 59,504.61

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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.