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Finding the Fourth Proportional to 163,090.80, 244,636.20 and 100,882.80

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Solution

The fourth proportional to 163,090.80, 244,636.20 and 100,882.80 is: 151,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,090.80 : 244,636.20 = 100,882.80 : x
  2. Step 2: Convert to fraction form
    163,090.80/244,636.20 = 100,882.80/x
  3. Step 3: Cross multiply
    163,090.80x = 244,636.20 × 100,882.80
  4. Step 4: Simplify right side
    163,090.80x = 24,679,584,837.36
  5. Step 5: Solve for x
    x = 24,679,584,837.36/163,090.80
  6. Step 6: Final answer
    x = 151,324.20

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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.