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Finding the Fourth Proportional to 292,755.12, 404,003.52 and 158,619.12

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Solution

The fourth proportional to 292,755.12, 404,003.52 and 158,619.12 is: 218,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,755.12 : 404,003.52 = 158,619.12 : x
  2. Step 2: Convert to fraction form
    292,755.12/404,003.52 = 158,619.12/x
  3. Step 3: Cross multiply
    292,755.12x = 404,003.52 × 158,619.12
  4. Step 4: Simplify right side
    292,755.12x = 64,082,682,819.30
  5. Step 5: Solve for x
    x = 64,082,682,819.30/292,755.12
  6. Step 6: Final answer
    x = 218,895.17

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1.5x scale

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.