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Finding the Fourth Proportional to 219,605.04, 303,055.11 and 119,003.04

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Solution

The fourth proportional to 219,605.04, 303,055.11 and 119,003.04 is: 164,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,605.04 : 303,055.11 = 119,003.04 : x
  2. Step 2: Convert to fraction form
    219,605.04/303,055.11 = 119,003.04/x
  3. Step 3: Cross multiply
    219,605.04x = 303,055.11 × 119,003.04
  4. Step 4: Simplify right side
    219,605.04x = 36,064,479,377.53
  5. Step 5: Solve for x
    x = 36,064,479,377.53/219,605.04
  6. Step 6: Final answer
    x = 164,224.28

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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.