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Finding the Fourth Proportional to 79,796.88, 110,119.02 and 45,810.90

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Solution

The fourth proportional to 79,796.88, 110,119.02 and 45,810.90 is: 63,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,796.88 : 110,119.02 = 45,810.90 : x
  2. Step 2: Convert to fraction form
    79,796.88/110,119.02 = 45,810.90/x
  3. Step 3: Cross multiply
    79,796.88x = 110,119.02 × 45,810.90
  4. Step 4: Simplify right side
    79,796.88x = 5,044,651,413.32
  5. Step 5: Solve for x
    x = 5,044,651,413.32/79,796.88
  6. Step 6: Final answer
    x = 63,218.65

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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.