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Finding the Fourth Proportional to 125,868.60, 188,805.42 and 46,967.09

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Solution

The fourth proportional to 125,868.60, 188,805.42 and 46,967.09 is: 70,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,868.60 : 188,805.42 = 46,967.09 : x
  2. Step 2: Convert to fraction form
    125,868.60/188,805.42 = 46,967.09/x
  3. Step 3: Cross multiply
    125,868.60x = 188,805.42 × 46,967.09
  4. Step 4: Simplify right side
    125,868.60x = 8,867,640,209.60
  5. Step 5: Solve for x
    x = 8,867,640,209.60/125,868.60
  6. Step 6: Final answer
    x = 70,451.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.