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Finding the Fourth Proportional to 134,443, 201,650.52 and 84,374.68

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Solution

The fourth proportional to 134,443, 201,650.52 and 84,374.68 is: 126,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,443 : 201,650.52 = 84,374.68 : x
  2. Step 2: Convert to fraction form
    134,443/201,650.52 = 84,374.68/x
  3. Step 3: Cross multiply
    134,443x = 201,650.52 × 84,374.68
  4. Step 4: Simplify right side
    134,443x = 17,014,198,096.83
  5. Step 5: Solve for x
    x = 17,014,198,096.83/134,443
  6. Step 6: Final answer
    x = 126,553.25

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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.