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Finding the Fourth Proportional to 125,993.52, 173,871.02 and 69,406.08

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Solution

The fourth proportional to 125,993.52, 173,871.02 and 69,406.08 is: 95,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,993.52 : 173,871.02 = 69,406.08 : x
  2. Step 2: Convert to fraction form
    125,993.52/173,871.02 = 69,406.08/x
  3. Step 3: Cross multiply
    125,993.52x = 173,871.02 × 69,406.08
  4. Step 4: Simplify right side
    125,993.52x = 12,067,705,923.80
  5. Step 5: Solve for x
    x = 12,067,705,923.80/125,993.52
  6. Step 6: Final answer
    x = 95,780.37

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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.