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Finding the Fourth Proportional to 169,286.76, 253,667.10 and 64,048.68

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Solution

The fourth proportional to 169,286.76, 253,667.10 and 64,048.68 is: 95,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,286.76 : 253,667.10 = 64,048.68 : x
  2. Step 2: Convert to fraction form
    169,286.76/253,667.10 = 64,048.68/x
  3. Step 3: Cross multiply
    169,286.76x = 253,667.10 × 64,048.68
  4. Step 4: Simplify right side
    169,286.76x = 16,247,042,914.43
  5. Step 5: Solve for x
    x = 16,247,042,914.43/169,286.76
  6. Step 6: Final answer
    x = 95,973.50

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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.