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Finding the Fourth Proportional to 114,745.84, 158,323.38 and 69,422.69

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Solution

The fourth proportional to 114,745.84, 158,323.38 and 69,422.69 is: 95,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,745.84 : 158,323.38 = 69,422.69 : x
  2. Step 2: Convert to fraction form
    114,745.84/158,323.38 = 69,422.69/x
  3. Step 3: Cross multiply
    114,745.84x = 158,323.38 × 69,422.69
  4. Step 4: Simplify right side
    114,745.84x = 10,991,235,064.97
  5. Step 5: Solve for x
    x = 10,991,235,064.97/114,745.84
  6. Step 6: Final answer
    x = 95,787.66

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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.