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Finding the Fourth Proportional to 125,880.96, 188,776.44 and 41,625.57

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Solution

The fourth proportional to 125,880.96, 188,776.44 and 41,625.57 is: 62,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,880.96 : 188,776.44 = 41,625.57 : x
  2. Step 2: Convert to fraction form
    125,880.96/188,776.44 = 41,625.57/x
  3. Step 3: Cross multiply
    125,880.96x = 188,776.44 × 41,625.57
  4. Step 4: Simplify right side
    125,880.96x = 7,857,926,917.57
  5. Step 5: Solve for x
    x = 7,857,926,917.57/125,880.96
  6. Step 6: Final answer
    x = 62,423.47

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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.