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Finding the Fourth Proportional to 96,754.80, 133,507.11 and 54,305.13

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Solution

The fourth proportional to 96,754.80, 133,507.11 and 54,305.13 is: 74,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,754.80 : 133,507.11 = 54,305.13 : x
  2. Step 2: Convert to fraction form
    96,754.80/133,507.11 = 54,305.13/x
  3. Step 3: Cross multiply
    96,754.80x = 133,507.11 × 54,305.13
  4. Step 4: Simplify right side
    96,754.80x = 7,250,120,964.47
  5. Step 5: Solve for x
    x = 7,250,120,964.47/96,754.80
  6. Step 6: Final answer
    x = 74,932.93

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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.