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Finding the Fourth Proportional to 264,763.87, 365,427.31 and 157,313.25

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Solution

The fourth proportional to 264,763.87, 365,427.31 and 157,313.25 is: 217,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,763.87 : 365,427.31 = 157,313.25 : x
  2. Step 2: Convert to fraction form
    264,763.87/365,427.31 = 157,313.25/x
  3. Step 3: Cross multiply
    264,763.87x = 365,427.31 × 157,313.25
  4. Step 4: Simplify right side
    264,763.87x = 57,486,557,774.86
  5. Step 5: Solve for x
    x = 57,486,557,774.86/264,763.87
  6. Step 6: Final answer
    x = 217,123.88

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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.