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Finding the Fourth Proportional to 270,747, 373,631.34 and 157,645.56

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Solution

The fourth proportional to 270,747, 373,631.34 and 157,645.56 is: 217,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,747 : 373,631.34 = 157,645.56 : x
  2. Step 2: Convert to fraction form
    270,747/373,631.34 = 157,645.56/x
  3. Step 3: Cross multiply
    270,747x = 373,631.34 × 157,645.56
  4. Step 4: Simplify right side
    270,747x = 58,901,321,827.85
  5. Step 5: Solve for x
    x = 58,901,321,827.85/270,747
  6. Step 6: Final answer
    x = 217,551.15

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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.