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Finding the Fourth Proportional to 236,952.81, 355,451.49 and 87,195.96

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Solution

The fourth proportional to 236,952.81, 355,451.49 and 87,195.96 is: 130,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,952.81 : 355,451.49 = 87,195.96 : x
  2. Step 2: Convert to fraction form
    236,952.81/355,451.49 = 87,195.96/x
  3. Step 3: Cross multiply
    236,952.81x = 355,451.49 × 87,195.96
  4. Step 4: Simplify right side
    236,952.81x = 30,993,933,903.98
  5. Step 5: Solve for x
    x = 30,993,933,903.98/236,952.81
  6. Step 6: Final answer
    x = 130,802.14

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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.