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Finding the Fourth Proportional to 219,567.82, 303,003.79 and 118,965.82

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Solution

The fourth proportional to 219,567.82, 303,003.79 and 118,965.82 is: 164,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,567.82 : 303,003.79 = 118,965.82 : x
  2. Step 2: Convert to fraction form
    219,567.82/303,003.79 = 118,965.82/x
  3. Step 3: Cross multiply
    219,567.82x = 303,003.79 × 118,965.82
  4. Step 4: Simplify right side
    219,567.82x = 36,047,092,230.61
  5. Step 5: Solve for x
    x = 36,047,092,230.61/219,567.82
  6. Step 6: Final answer
    x = 164,172.93

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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.