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Finding the Fourth Proportional to 110,559.82, 152,576.67 and 62,821.26

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Solution

The fourth proportional to 110,559.82, 152,576.67 and 62,821.26 is: 86,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,559.82 : 152,576.67 = 62,821.26 : x
  2. Step 2: Convert to fraction form
    110,559.82/152,576.67 = 62,821.26/x
  3. Step 3: Cross multiply
    110,559.82x = 152,576.67 × 62,821.26
  4. Step 4: Simplify right side
    110,559.82x = 9,585,058,656.00
  5. Step 5: Solve for x
    x = 9,585,058,656.00/110,559.82
  6. Step 6: Final answer
    x = 86,695.68

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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.