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Finding the Fourth Proportional to 225,337.20, 310,918.68 and 171,527.28

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Solution

The fourth proportional to 225,337.20, 310,918.68 and 171,527.28 is: 236,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,337.20 : 310,918.68 = 171,527.28 : x
  2. Step 2: Convert to fraction form
    225,337.20/310,918.68 = 171,527.28/x
  3. Step 3: Cross multiply
    225,337.20x = 310,918.68 × 171,527.28
  4. Step 4: Simplify right side
    225,337.20x = 53,331,035,481.59
  5. Step 5: Solve for x
    x = 53,331,035,481.59/225,337.20
  6. Step 6: Final answer
    x = 236,672.13

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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.