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Finding the Fourth Proportional to 64,504.34, 96,753.05 and 20,126.01

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Solution

The fourth proportional to 64,504.34, 96,753.05 and 20,126.01 is: 30,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,504.34 : 96,753.05 = 20,126.01 : x
  2. Step 2: Convert to fraction form
    64,504.34/96,753.05 = 20,126.01/x
  3. Step 3: Cross multiply
    64,504.34x = 96,753.05 × 20,126.01
  4. Step 4: Simplify right side
    64,504.34x = 1,947,252,902.15
  5. Step 5: Solve for x
    x = 1,947,252,902.15/64,504.34
  6. Step 6: Final answer
    x = 30,187.94

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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.