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Finding the Fourth Proportional to 64,277.65, 96,416.49 and 22,169.80

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Solution

The fourth proportional to 64,277.65, 96,416.49 and 22,169.80 is: 33,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,277.65 : 96,416.49 = 22,169.80 : x
  2. Step 2: Convert to fraction form
    64,277.65/96,416.49 = 22,169.80/x
  3. Step 3: Cross multiply
    64,277.65x = 96,416.49 × 22,169.80
  4. Step 4: Simplify right side
    64,277.65x = 2,137,534,503.66
  5. Step 5: Solve for x
    x = 2,137,534,503.66/64,277.65
  6. Step 6: Final answer
    x = 33,254.71

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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.