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Finding the Fourth Proportional to 64,255.70, 96,359.58 and 22,123.88

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Solution

The fourth proportional to 64,255.70, 96,359.58 and 22,123.88 is: 33,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,255.70 : 96,359.58 = 22,123.88 : x
  2. Step 2: Convert to fraction form
    64,255.70/96,359.58 = 22,123.88/x
  3. Step 3: Cross multiply
    64,255.70x = 96,359.58 × 22,123.88
  4. Step 4: Simplify right side
    64,255.70x = 2,131,847,784.77
  5. Step 5: Solve for x
    x = 2,131,847,784.77/64,255.70
  6. Step 6: Final answer
    x = 33,177.57

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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.