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Finding the Fourth Proportional to 101,472.29, 152,042.21 and 54,037.02

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Solution

The fourth proportional to 101,472.29, 152,042.21 and 54,037.02 is: 80,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472.29 : 152,042.21 = 54,037.02 : x
  2. Step 2: Convert to fraction form
    101,472.29/152,042.21 = 54,037.02/x
  3. Step 3: Cross multiply
    101,472.29x = 152,042.21 × 54,037.02
  4. Step 4: Simplify right side
    101,472.29x = 8,215,907,672.43
  5. Step 5: Solve for x
    x = 8,215,907,672.43/101,472.29
  6. Step 6: Final answer
    x = 80,967.01

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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.