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Finding the Fourth Proportional to 125,960.60, 188,019.34 and 111,014.36

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Solution

The fourth proportional to 125,960.60, 188,019.34 and 111,014.36 is: 165,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,960.60 : 188,019.34 = 111,014.36 : x
  2. Step 2: Convert to fraction form
    125,960.60/188,019.34 = 111,014.36/x
  3. Step 3: Cross multiply
    125,960.60x = 188,019.34 × 111,014.36
  4. Step 4: Simplify right side
    125,960.60x = 20,872,846,697.72
  5. Step 5: Solve for x
    x = 20,872,846,697.72/125,960.60
  6. Step 6: Final answer
    x = 165,709.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.