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Finding the Fourth Proportional to 71,019.08, 106,525.16 and 26,642.37

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Solution

The fourth proportional to 71,019.08, 106,525.16 and 26,642.37 is: 39,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,019.08 : 106,525.16 = 26,642.37 : x
  2. Step 2: Convert to fraction form
    71,019.08/106,525.16 = 26,642.37/x
  3. Step 3: Cross multiply
    71,019.08x = 106,525.16 × 26,642.37
  4. Step 4: Simplify right side
    71,019.08x = 2,838,083,093.20
  5. Step 5: Solve for x
    x = 2,838,083,093.20/71,019.08
  6. Step 6: Final answer
    x = 39,962.26

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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.