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Finding the Fourth Proportional to 125,797.56, 173,600.64 and 69,207.72

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Solution

The fourth proportional to 125,797.56, 173,600.64 and 69,207.72 is: 95,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,797.56 : 173,600.64 = 69,207.72 : x
  2. Step 2: Convert to fraction form
    125,797.56/173,600.64 = 69,207.72/x
  3. Step 3: Cross multiply
    125,797.56x = 173,600.64 × 69,207.72
  4. Step 4: Simplify right side
    125,797.56x = 12,014,504,659.41
  5. Step 5: Solve for x
    x = 12,014,504,659.41/125,797.56
  6. Step 6: Final answer
    x = 95,506.66

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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.