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Finding the Fourth Proportional to 73,487.22, 101,422.66 and 53,135.38

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Solution

The fourth proportional to 73,487.22, 101,422.66 and 53,135.38 is: 73,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,487.22 : 101,422.66 = 53,135.38 : x
  2. Step 2: Convert to fraction form
    73,487.22/101,422.66 = 53,135.38/x
  3. Step 3: Cross multiply
    73,487.22x = 101,422.66 × 53,135.38
  4. Step 4: Simplify right side
    73,487.22x = 5,389,131,579.71
  5. Step 5: Solve for x
    x = 5,389,131,579.71/73,487.22
  6. Step 6: Final answer
    x = 73,334.27

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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.