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Finding the Fourth Proportional to 125,492.40, 188,261.91 and 41,257.26

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Solution

The fourth proportional to 125,492.40, 188,261.91 and 41,257.26 is: 61,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,492.40 : 188,261.91 = 41,257.26 : x
  2. Step 2: Convert to fraction form
    125,492.40/188,261.91 = 41,257.26/x
  3. Step 3: Cross multiply
    125,492.40x = 188,261.91 × 41,257.26
  4. Step 4: Simplify right side
    125,492.40x = 7,767,170,568.97
  5. Step 5: Solve for x
    x = 7,767,170,568.97/125,492.40
  6. Step 6: Final answer
    x = 61,893.55

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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.