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Finding the Fourth Proportional to 254,702.62, 351,491.70 and 159,264.64

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Solution

The fourth proportional to 254,702.62, 351,491.70 and 159,264.64 is: 219,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,702.62 : 351,491.70 = 159,264.64 : x
  2. Step 2: Convert to fraction form
    254,702.62/351,491.70 = 159,264.64/x
  3. Step 3: Cross multiply
    254,702.62x = 351,491.70 × 159,264.64
  4. Step 4: Simplify right side
    254,702.62x = 55,980,199,063.49
  5. Step 5: Solve for x
    x = 55,980,199,063.49/254,702.62
  6. Step 6: Final answer
    x = 219,786.51

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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.