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Finding the Fourth Proportional to 73,699.80, 110,549.70 and 29,326.94

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Solution

The fourth proportional to 73,699.80, 110,549.70 and 29,326.94 is: 43,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.80 : 110,549.70 = 29,326.94 : x
  2. Step 2: Convert to fraction form
    73,699.80/110,549.70 = 29,326.94/x
  3. Step 3: Cross multiply
    73,699.80x = 110,549.70 × 29,326.94
  4. Step 4: Simplify right side
    73,699.80x = 3,242,084,418.92
  5. Step 5: Solve for x
    x = 3,242,084,418.92/73,699.80
  6. Step 6: Final answer
    x = 43,990.41

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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.