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Finding the Fourth Proportional to 125,535.56, 188,143.23 and 58,828.55

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Solution

The fourth proportional to 125,535.56, 188,143.23 and 58,828.55 is: 88,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,535.56 : 188,143.23 = 58,828.55 : x
  2. Step 2: Convert to fraction form
    125,535.56/188,143.23 = 58,828.55/x
  3. Step 3: Cross multiply
    125,535.56x = 188,143.23 × 58,828.55
  4. Step 4: Simplify right side
    125,535.56x = 11,068,193,413.22
  5. Step 5: Solve for x
    x = 11,068,193,413.22/125,535.56
  6. Step 6: Final answer
    x = 88,167.79

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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.