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Finding the Fourth Proportional to 125,800.64, 173,601.24 and 69,212

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Solution

The fourth proportional to 125,800.64, 173,601.24 and 69,212 is: 95,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,800.64 : 173,601.24 = 69,212 : x
  2. Step 2: Convert to fraction form
    125,800.64/173,601.24 = 69,212/x
  3. Step 3: Cross multiply
    125,800.64x = 173,601.24 × 69,212
  4. Step 4: Simplify right side
    125,800.64x = 12,015,289,022.88
  5. Step 5: Solve for x
    x = 12,015,289,022.88/125,800.64
  6. Step 6: Final answer
    x = 95,510.56

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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.