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Finding the Fourth Proportional to 229,803.56, 344,702.76 and 89,660.60

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Solution

The fourth proportional to 229,803.56, 344,702.76 and 89,660.60 is: 134,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,803.56 : 344,702.76 = 89,660.60 : x
  2. Step 2: Convert to fraction form
    229,803.56/344,702.76 = 89,660.60/x
  3. Step 3: Cross multiply
    229,803.56x = 344,702.76 × 89,660.60
  4. Step 4: Simplify right side
    229,803.56x = 30,906,256,283.26
  5. Step 5: Solve for x
    x = 30,906,256,283.26/229,803.56
  6. Step 6: Final answer
    x = 134,489.89

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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.