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Finding the Fourth Proportional to 218,586.71, 301,663.37 and 132,606.02

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Solution

The fourth proportional to 218,586.71, 301,663.37 and 132,606.02 is: 183,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,586.71 : 301,663.37 = 132,606.02 : x
  2. Step 2: Convert to fraction form
    218,586.71/301,663.37 = 132,606.02/x
  3. Step 3: Cross multiply
    218,586.71x = 301,663.37 × 132,606.02
  4. Step 4: Simplify right side
    218,586.71x = 40,002,378,212.46
  5. Step 5: Solve for x
    x = 40,002,378,212.46/218,586.71
  6. Step 6: Final answer
    x = 183,004.62

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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.