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Finding the Fourth Proportional to 236,802.57, 355,343.94 and 87,147.96

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Solution

The fourth proportional to 236,802.57, 355,343.94 and 87,147.96 is: 130,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,802.57 : 355,343.94 = 87,147.96 : x
  2. Step 2: Convert to fraction form
    236,802.57/355,343.94 = 87,147.96/x
  3. Step 3: Cross multiply
    236,802.57x = 355,343.94 × 87,147.96
  4. Step 4: Simplify right side
    236,802.57x = 30,967,499,469.36
  5. Step 5: Solve for x
    x = 30,967,499,469.36/236,802.57
  6. Step 6: Final answer
    x = 130,773.49

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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.