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Finding the Fourth Proportional to 233,947.87, 350,921.72 and 91,860.00

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Solution

The fourth proportional to 233,947.87, 350,921.72 and 91,860.00 is: 137,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,947.87 : 350,921.72 = 91,860.00 : x
  2. Step 2: Convert to fraction form
    233,947.87/350,921.72 = 91,860.00/x
  3. Step 3: Cross multiply
    233,947.87x = 350,921.72 × 91,860.00
  4. Step 4: Simplify right side
    233,947.87x = 32,235,668,583.15
  5. Step 5: Solve for x
    x = 32,235,668,583.15/233,947.87
  6. Step 6: Final answer
    x = 137,789.96

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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.