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Finding the Fourth Proportional to 235,842.15, 353,780.64 and 67,376.73

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Solution

The fourth proportional to 235,842.15, 353,780.64 and 67,376.73 is: 101,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,842.15 : 353,780.64 = 67,376.73 : x
  2. Step 2: Convert to fraction form
    235,842.15/353,780.64 = 67,376.73/x
  3. Step 3: Cross multiply
    235,842.15x = 353,780.64 × 67,376.73
  4. Step 4: Simplify right side
    235,842.15x = 23,836,582,660.51
  5. Step 5: Solve for x
    x = 23,836,582,660.51/235,842.15
  6. Step 6: Final answer
    x = 101,070.07

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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.