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Finding the Fourth Proportional to 235,497.91, 353,151.76 and 91,327.83

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Solution

The fourth proportional to 235,497.91, 353,151.76 and 91,327.83 is: 136,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,497.91 : 353,151.76 = 91,327.83 : x
  2. Step 2: Convert to fraction form
    235,497.91/353,151.76 = 91,327.83/x
  3. Step 3: Cross multiply
    235,497.91x = 353,151.76 × 91,327.83
  4. Step 4: Simplify right side
    235,497.91x = 32,252,583,641.75
  5. Step 5: Solve for x
    x = 32,252,583,641.75/235,497.91
  6. Step 6: Final answer
    x = 136,954.86

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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.