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Finding the Fourth Proportional to 166,502.76, 229,743.94 and 98,485.88

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Solution

The fourth proportional to 166,502.76, 229,743.94 and 98,485.88 is: 135,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502.76 : 229,743.94 = 98,485.88 : x
  2. Step 2: Convert to fraction form
    166,502.76/229,743.94 = 98,485.88/x
  3. Step 3: Cross multiply
    166,502.76x = 229,743.94 × 98,485.88
  4. Step 4: Simplify right side
    166,502.76x = 22,626,534,105.57
  5. Step 5: Solve for x
    x = 22,626,534,105.57/166,502.76
  6. Step 6: Final answer
    x = 135,892.85

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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.