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Finding the Fourth Proportional to 160,443.25, 221,434.83 and 92,447.19

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Solution

The fourth proportional to 160,443.25, 221,434.83 and 92,447.19 is: 127,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,443.25 : 221,434.83 = 92,447.19 : x
  2. Step 2: Convert to fraction form
    160,443.25/221,434.83 = 92,447.19/x
  3. Step 3: Cross multiply
    160,443.25x = 221,434.83 × 92,447.19
  4. Step 4: Simplify right side
    160,443.25x = 20,471,027,801.63
  5. Step 5: Solve for x
    x = 20,471,027,801.63/160,443.25
  6. Step 6: Final answer
    x = 127,590.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.