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Finding the Fourth Proportional to 194,167.31, 290,627.66 and 104,084.78

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Solution

The fourth proportional to 194,167.31, 290,627.66 and 104,084.78 is: 155,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,167.31 : 290,627.66 = 104,084.78 : x
  2. Step 2: Convert to fraction form
    194,167.31/290,627.66 = 104,084.78/x
  3. Step 3: Cross multiply
    194,167.31x = 290,627.66 × 104,084.78
  4. Step 4: Simplify right side
    194,167.31x = 30,249,914,860.09
  5. Step 5: Solve for x
    x = 30,249,914,860.09/194,167.31
  6. Step 6: Final answer
    x = 155,793.04

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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.