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Finding the Fourth Proportional to 219,264.49, 302,584.99 and 118,662.49

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Solution

The fourth proportional to 219,264.49, 302,584.99 and 118,662.49 is: 163,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,264.49 : 302,584.99 = 118,662.49 : x
  2. Step 2: Convert to fraction form
    219,264.49/302,584.99 = 118,662.49/x
  3. Step 3: Cross multiply
    219,264.49x = 302,584.99 × 118,662.49
  4. Step 4: Simplify right side
    219,264.49x = 35,905,488,350.03
  5. Step 5: Solve for x
    x = 35,905,488,350.03/219,264.49
  6. Step 6: Final answer
    x = 163,754.23

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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.