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Finding the Fourth Proportional to 69,332.44, 95,656.40 and 54,750.32

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Solution

The fourth proportional to 69,332.44, 95,656.40 and 54,750.32 is: 75,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.44 : 95,656.40 = 54,750.32 : x
  2. Step 2: Convert to fraction form
    69,332.44/95,656.40 = 54,750.32/x
  3. Step 3: Cross multiply
    69,332.44x = 95,656.40 × 54,750.32
  4. Step 4: Simplify right side
    69,332.44x = 5,237,218,510.05
  5. Step 5: Solve for x
    x = 5,237,218,510.05/69,332.44
  6. Step 6: Final answer
    x = 75,537.78

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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.