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Finding the Fourth Proportional to 292,755.94, 404,003.19 and 158,619.94

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Solution

The fourth proportional to 292,755.94, 404,003.19 and 158,619.94 is: 218,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,755.94 : 404,003.19 = 158,619.94 : x
  2. Step 2: Convert to fraction form
    292,755.94/404,003.19 = 158,619.94/x
  3. Step 3: Cross multiply
    292,755.94x = 404,003.19 × 158,619.94
  4. Step 4: Simplify right side
    292,755.94x = 64,082,961,342.43
  5. Step 5: Solve for x
    x = 64,082,961,342.43/292,755.94
  6. Step 6: Final answer
    x = 218,895.51

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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.