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Finding the Fourth Proportional to 64,178.91, 96,274.79 and 22,053.43

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Solution

The fourth proportional to 64,178.91, 96,274.79 and 22,053.43 is: 33,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,178.91 : 96,274.79 = 22,053.43 : x
  2. Step 2: Convert to fraction form
    64,178.91/96,274.79 = 22,053.43/x
  3. Step 3: Cross multiply
    64,178.91x = 96,274.79 × 22,053.43
  4. Step 4: Simplify right side
    64,178.91x = 2,123,189,231.76
  5. Step 5: Solve for x
    x = 2,123,189,231.76/64,178.91
  6. Step 6: Final answer
    x = 33,082.35

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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.