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Finding the Fourth Proportional to 155,954.75, 233,769.31 and 113,156.78

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Solution

The fourth proportional to 155,954.75, 233,769.31 and 113,156.78 is: 169,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,954.75 : 233,769.31 = 113,156.78 : x
  2. Step 2: Convert to fraction form
    155,954.75/233,769.31 = 113,156.78/x
  3. Step 3: Cross multiply
    155,954.75x = 233,769.31 × 113,156.78
  4. Step 4: Simplify right side
    155,954.75x = 26,452,580,647.79
  5. Step 5: Solve for x
    x = 26,452,580,647.79/155,954.75
  6. Step 6: Final answer
    x = 169,617.03

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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.