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Finding the Fourth Proportional to 79,506.03, 109,720.97 and 45,525.51

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Solution

The fourth proportional to 79,506.03, 109,720.97 and 45,525.51 is: 62,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506.03 : 109,720.97 = 45,525.51 : x
  2. Step 2: Convert to fraction form
    79,506.03/109,720.97 = 45,525.51/x
  3. Step 3: Cross multiply
    79,506.03x = 109,720.97 × 45,525.51
  4. Step 4: Simplify right side
    79,506.03x = 4,995,103,116.94
  5. Step 5: Solve for x
    x = 4,995,103,116.94/79,506.03
  6. Step 6: Final answer
    x = 62,826.72

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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.