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Finding the Fourth Proportional to 219,276.72, 329,046.32 and 94,617.72

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Solution

The fourth proportional to 219,276.72, 329,046.32 and 94,617.72 is: 141,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,276.72 : 329,046.32 = 94,617.72 : x
  2. Step 2: Convert to fraction form
    219,276.72/329,046.32 = 94,617.72/x
  3. Step 3: Cross multiply
    219,276.72x = 329,046.32 × 94,617.72
  4. Step 4: Simplify right side
    219,276.72x = 31,133,612,099.70
  5. Step 5: Solve for x
    x = 31,133,612,099.70/219,276.72
  6. Step 6: Final answer
    x = 141,983.21

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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.