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Finding the Fourth Proportional to 63,542.80, 95,314.88 and 19,169.94

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Solution

The fourth proportional to 63,542.80, 95,314.88 and 19,169.94 is: 28,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,542.80 : 95,314.88 = 19,169.94 : x
  2. Step 2: Convert to fraction form
    63,542.80/95,314.88 = 19,169.94/x
  3. Step 3: Cross multiply
    63,542.80x = 95,314.88 × 19,169.94
  4. Step 4: Simplify right side
    63,542.80x = 1,827,180,054.13
  5. Step 5: Solve for x
    x = 1,827,180,054.13/63,542.80
  6. Step 6: Final answer
    x = 28,755.11

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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.