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Finding the Fourth Proportional to 235,796.28, 353,691.18 and 102,673.72

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Solution

The fourth proportional to 235,796.28, 353,691.18 and 102,673.72 is: 154,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,796.28 : 353,691.18 = 102,673.72 : x
  2. Step 2: Convert to fraction form
    235,796.28/353,691.18 = 102,673.72/x
  3. Step 3: Cross multiply
    235,796.28x = 353,691.18 × 102,673.72
  4. Step 4: Simplify right side
    235,796.28x = 36,314,789,181.79
  5. Step 5: Solve for x
    x = 36,314,789,181.79/235,796.28
  6. Step 6: Final answer
    x = 154,009.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.