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Finding the Fourth Proportional to 233,641.31, 351,193.52 and 154,189.85

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Solution

The fourth proportional to 233,641.31, 351,193.52 and 154,189.85 is: 231,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,641.31 : 351,193.52 = 154,189.85 : x
  2. Step 2: Convert to fraction form
    233,641.31/351,193.52 = 154,189.85/x
  3. Step 3: Cross multiply
    233,641.31x = 351,193.52 × 154,189.85
  4. Step 4: Simplify right side
    233,641.31x = 54,150,473,642.86
  5. Step 5: Solve for x
    x = 54,150,473,642.86/233,641.31
  6. Step 6: Final answer
    x = 231,767.55

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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.