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Finding the Fourth Proportional to 236,527.70, 354,838.22 and 86,769.23

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Solution

The fourth proportional to 236,527.70, 354,838.22 and 86,769.23 is: 130,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,527.70 : 354,838.22 = 86,769.23 : x
  2. Step 2: Convert to fraction form
    236,527.70/354,838.22 = 86,769.23/x
  3. Step 3: Cross multiply
    236,527.70x = 354,838.22 × 86,769.23
  4. Step 4: Simplify right side
    236,527.70x = 30,789,037,241.32
  5. Step 5: Solve for x
    x = 30,789,037,241.32/236,527.70
  6. Step 6: Final answer
    x = 130,170.96

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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.