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Finding the Fourth Proportional to 125,780.36, 188,630.48 and 41,524.84

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Solution

The fourth proportional to 125,780.36, 188,630.48 and 41,524.84 is: 62,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,780.36 : 188,630.48 = 41,524.84 : x
  2. Step 2: Convert to fraction form
    125,780.36/188,630.48 = 41,524.84/x
  3. Step 3: Cross multiply
    125,780.36x = 188,630.48 × 41,524.84
  4. Step 4: Simplify right side
    125,780.36x = 7,832,850,501.12
  5. Step 5: Solve for x
    x = 7,832,850,501.12/125,780.36
  6. Step 6: Final answer
    x = 62,274.03

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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.