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Finding the Fourth Proportional to 141,765.84, 212,690.34 and 41,928.66

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Solution

The fourth proportional to 141,765.84, 212,690.34 and 41,928.66 is: 62,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,765.84 : 212,690.34 = 41,928.66 : x
  2. Step 2: Convert to fraction form
    141,765.84/212,690.34 = 41,928.66/x
  3. Step 3: Cross multiply
    141,765.84x = 212,690.34 × 41,928.66
  4. Step 4: Simplify right side
    141,765.84x = 8,917,820,951.14
  5. Step 5: Solve for x
    x = 8,917,820,951.14/141,765.84
  6. Step 6: Final answer
    x = 62,905.29

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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.