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Finding the Fourth Proportional to 236,401.20, 354,601.80 and 118,090.80

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Solution

The fourth proportional to 236,401.20, 354,601.80 and 118,090.80 is: 177,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,401.20 : 354,601.80 = 118,090.80 : x
  2. Step 2: Convert to fraction form
    236,401.20/354,601.80 = 118,090.80/x
  3. Step 3: Cross multiply
    236,401.20x = 354,601.80 × 118,090.80
  4. Step 4: Simplify right side
    236,401.20x = 41,875,210,243.44
  5. Step 5: Solve for x
    x = 41,875,210,243.44/236,401.20
  6. Step 6: Final answer
    x = 177,136.20

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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.