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Finding the Fourth Proportional to 243,584.46, 336,189.33 and 141,641.46

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Solution

The fourth proportional to 243,584.46, 336,189.33 and 141,641.46 is: 195,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,584.46 : 336,189.33 = 141,641.46 : x
  2. Step 2: Convert to fraction form
    243,584.46/336,189.33 = 141,641.46/x
  3. Step 3: Cross multiply
    243,584.46x = 336,189.33 × 141,641.46
  4. Step 4: Simplify right side
    243,584.46x = 47,618,347,537.62
  5. Step 5: Solve for x
    x = 47,618,347,537.62/243,584.46
  6. Step 6: Final answer
    x = 195,490.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.