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Finding the Fourth Proportional to 146,287.60, 201,957.23 and 91,896.50

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Solution

The fourth proportional to 146,287.60, 201,957.23 and 91,896.50 is: 126,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,287.60 : 201,957.23 = 91,896.50 : x
  2. Step 2: Convert to fraction form
    146,287.60/201,957.23 = 91,896.50/x
  3. Step 3: Cross multiply
    146,287.60x = 201,957.23 × 91,896.50
  4. Step 4: Simplify right side
    146,287.60x = 18,559,162,586.70
  5. Step 5: Solve for x
    x = 18,559,162,586.70/146,287.60
  6. Step 6: Final answer
    x = 126,867.64

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Why These Related Problems?

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