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Finding the Fourth Proportional to 96,672.96, 133,399.44 and 54,228.96

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Solution

The fourth proportional to 96,672.96, 133,399.44 and 54,228.96 is: 74,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,672.96 : 133,399.44 = 54,228.96 : x
  2. Step 2: Convert to fraction form
    96,672.96/133,399.44 = 54,228.96/x
  3. Step 3: Cross multiply
    96,672.96x = 133,399.44 × 54,228.96
  4. Step 4: Simplify right side
    96,672.96x = 7,234,112,895.78
  5. Step 5: Solve for x
    x = 7,234,112,895.78/96,672.96
  6. Step 6: Final answer
    x = 74,830.78

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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.