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Finding the Fourth Proportional to 79,044.15, 109,075.49 and 45,051.79

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Solution

The fourth proportional to 79,044.15, 109,075.49 and 45,051.79 is: 62,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.15 : 109,075.49 = 45,051.79 : x
  2. Step 2: Convert to fraction form
    79,044.15/109,075.49 = 45,051.79/x
  3. Step 3: Cross multiply
    79,044.15x = 109,075.49 × 45,051.79
  4. Step 4: Simplify right side
    79,044.15x = 4,914,046,069.63
  5. Step 5: Solve for x
    x = 4,914,046,069.63/79,044.15
  6. Step 6: Final answer
    x = 62,168.37

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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.