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Finding the Fourth Proportional to 125,883.56, 188,825.39 and 41,643.72

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Solution

The fourth proportional to 125,883.56, 188,825.39 and 41,643.72 is: 62,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,883.56 : 188,825.39 = 41,643.72 : x
  2. Step 2: Convert to fraction form
    125,883.56/188,825.39 = 41,643.72/x
  3. Step 3: Cross multiply
    125,883.56x = 188,825.39 × 41,643.72
  4. Step 4: Simplify right side
    125,883.56x = 7,863,391,852.24
  5. Step 5: Solve for x
    x = 7,863,391,852.24/125,883.56
  6. Step 6: Final answer
    x = 62,465.60

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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.