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Finding the Fourth Proportional to 114,598.53, 170,918.17 and 100,650.33

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Solution

The fourth proportional to 114,598.53, 170,918.17 and 100,650.33 is: 150,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,598.53 : 170,918.17 = 100,650.33 : x
  2. Step 2: Convert to fraction form
    114,598.53/170,918.17 = 100,650.33/x
  3. Step 3: Cross multiply
    114,598.53x = 170,918.17 × 100,650.33
  4. Step 4: Simplify right side
    114,598.53x = 17,202,969,961.87
  5. Step 5: Solve for x
    x = 17,202,969,961.87/114,598.53
  6. Step 6: Final answer
    x = 150,115.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.