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Finding the Fourth Proportional to 79,565.00, 109,800.50 and 43,755.26

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Solution

The fourth proportional to 79,565.00, 109,800.50 and 43,755.26 is: 60,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.00 : 109,800.50 = 43,755.26 : x
  2. Step 2: Convert to fraction form
    79,565.00/109,800.50 = 43,755.26/x
  3. Step 3: Cross multiply
    79,565.00x = 109,800.50 × 43,755.26
  4. Step 4: Simplify right side
    79,565.00x = 4,804,348,657.85
  5. Step 5: Solve for x
    x = 4,804,348,657.85/79,565.00
  6. Step 6: Final answer
    x = 60,382.69

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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.