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Finding the Fourth Proportional to 79,725.56, 110,020.02 and 45,732.56

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Solution

The fourth proportional to 79,725.56, 110,020.02 and 45,732.56 is: 63,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,725.56 : 110,020.02 = 45,732.56 : x
  2. Step 2: Convert to fraction form
    79,725.56/110,020.02 = 45,732.56/x
  3. Step 3: Cross multiply
    79,725.56x = 110,020.02 × 45,732.56
  4. Step 4: Simplify right side
    79,725.56x = 5,031,497,165.85
  5. Step 5: Solve for x
    x = 5,031,497,165.85/79,725.56
  6. Step 6: Final answer
    x = 63,110.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.