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Finding the Fourth Proportional to 141,398.75, 212,098.17 and 41,558.96

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Solution

The fourth proportional to 141,398.75, 212,098.17 and 41,558.96 is: 62,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,398.75 : 212,098.17 = 41,558.96 : x
  2. Step 2: Convert to fraction form
    141,398.75/212,098.17 = 41,558.96/x
  3. Step 3: Cross multiply
    141,398.75x = 212,098.17 × 41,558.96
  4. Step 4: Simplify right side
    141,398.75x = 8,814,579,363.10
  5. Step 5: Solve for x
    x = 8,814,579,363.10/141,398.75
  6. Step 6: Final answer
    x = 62,338.45

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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.