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Finding the Fourth Proportional to 240,769.71, 332,151.98 and 155,914.11

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Solution

The fourth proportional to 240,769.71, 332,151.98 and 155,914.11 is: 215,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,769.71 : 332,151.98 = 155,914.11 : x
  2. Step 2: Convert to fraction form
    240,769.71/332,151.98 = 155,914.11/x
  3. Step 3: Cross multiply
    240,769.71x = 332,151.98 × 155,914.11
  4. Step 4: Simplify right side
    240,769.71x = 51,787,179,566.87
  5. Step 5: Solve for x
    x = 51,787,179,566.87/240,769.71
  6. Step 6: Final answer
    x = 215,090.09

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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.