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Finding the Fourth Proportional to 125,354, 188,033.76 and 58,757.52

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Solution

The fourth proportional to 125,354, 188,033.76 and 58,757.52 is: 88,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,354 : 188,033.76 = 58,757.52 : x
  2. Step 2: Convert to fraction form
    125,354/188,033.76 = 58,757.52/x
  3. Step 3: Cross multiply
    125,354x = 188,033.76 × 58,757.52
  4. Step 4: Simplify right side
    125,354x = 11,048,397,413.88
  5. Step 5: Solve for x
    x = 11,048,397,413.88/125,354
  6. Step 6: Final answer
    x = 88,137.57

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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.